Gaya APA
Harjanto, T.
(2015).
Be The Winner Olimpiade Biologi SMA
.
Yogyakarta:
Pustaka Widyatama.
Gaya MLA
Harjanto, Tri.
"Be The Winner Olimpiade Biologi SMA".
Yogyakarta:
Pustaka Widyatama,
2015.
Textbook.