APA Style
Johns, Chris. (2011).
National Geographic : 50 Greatest Pictures from pages of national geographic magazine (Vol. 17 tahun 2011).
Arizona:
University of Arizona.
Chicago Style
Johns, Chris.
National Geographic : 50 Greatest Pictures from pages of national geographic magazine.
Vol. 17 tahun 2011
Arizona:
University of Arizona,
2011.
Perpustakaan KALBIS.
IEEE Style
*IEEE style untuk Skripsi
Johns, Chris.
(2011).
National Geographic : 50 Greatest Pictures from pages of national geographic magazine.
Vol. 17 tahun 2011.
Arizona:
University of Arizona.
*IEEE style untuk Buku/Jurnal
Johns, Chris.
National Geographic : 50 Greatest Pictures from pages of national geographic magazine.
Vol. 17 tahun 2011.
Arizona:
University of Arizona,
2011.
MLA Style
Johns, Chris.
National Geographic : 50 Greatest Pictures from pages of national geographic magazine.
Vol. 17 tahun 2011
Arizona:
University of Arizona,
2011.
Perpustakaan KALBIS.
Turabian Style
Johns, Chris.
National Geographic : 50 Greatest Pictures from pages of national geographic magazine.
Vol. 17 tahun 2011
Arizona:
University of Arizona,
2011.
Perpustakaan KALBIS.