Gaya APA
Hakim, L., Azzahrah, F.
(2014).
Before It's Too Late
.
Hoboken, NJ:
Penerbit Cakrawala.
Gaya MLA
Hakim, Luqman., Azzahrah, Fatimah.
"Before It's Too Late".
Hoboken, NJ:
Penerbit Cakrawala,
2014.
Text.