Gaya APA
Yusa, (2014).
Advanced biology 2B for grade XI senior high school mathematics and natural sciences progamme .
Bandung:
Grafindo Media Pratama.
Gaya MLA
Yusa, .
Advanced biology 2B for grade XI senior high school mathematics and natural sciences progamme.
Bandung:
Grafindo Media Pratama,
2014.
Text.