Gaya APA
Manaf, D, A, C, M, S. (2010).
Biology 1B For Senior High School Grade X Semester 2 .
Jakarta:
Erlangga.
Gaya MLA
Manaf, Diah, Aryulina,, Choirul, Muslim,, Syalfinaf.
"Biology 1B For Senior High School Grade X Semester 2".
Jakarta:
Erlangga,
2010.
Text.