APA Style

Spencer, Graeme. (1998). O-Level composition writing: a pratical approach . Singapore: Shinglee.

Chicago Style

Spencer, Graeme. O-Level composition writing: a pratical approach. Singapore: Shinglee, 1998. Perpustakaan KALBIS.

IEEE Style

*IEEE style untuk Skripsi

Spencer, Graeme. (1998). O-Level composition writing: a pratical approach. . Singapore: Shinglee.

*IEEE style untuk Buku/Jurnal

Spencer, Graeme. O-Level composition writing: a pratical approach. . Singapore: Shinglee, 1998.

MLA Style

Spencer, Graeme. O-Level composition writing: a pratical approach. Singapore: Shinglee, 1998. Perpustakaan KALBIS.

Turabian Style

Spencer, Graeme. O-Level composition writing: a pratical approach. Singapore: Shinglee, 1998. Perpustakaan KALBIS.