APA Style
Drucker, Peter F. (1985).
Innovation And Entrepreneurship .
United States of America:
Collins Business.
Chicago Style
Drucker, Peter F.
Innovation And Entrepreneurship.
United States of America:
Collins Business,
1985.
Manajemen.
IEEE Style
*IEEE style untuk Skripsi
Drucker, Peter F.
(1985).
Innovation And Entrepreneurship.
.
United States of America:
Collins Business.
*IEEE style untuk Buku/Jurnal
Drucker, Peter F.
Innovation And Entrepreneurship.
.
United States of America:
Collins Business,
1985.
MLA Style
Drucker, Peter F.
Innovation And Entrepreneurship.
United States of America:
Collins Business,
1985.
Manajemen.
Turabian Style
Drucker, Peter F.
Innovation And Entrepreneurship.
United States of America:
Collins Business,
1985.
Manajemen.