Gaya APA
Putra, Y, C.
(2013).
Senior High Stress, Cet. I
.
Yogyakarta:
Gradie Mediatama.
Gaya MLA
Putra, Yoga, Cahya.
"Senior High Stress, Cet. I".
Yogyakarta:
Gradie Mediatama,
2013.
Text.