Gaya APA
Purba, R, A.
(2013).
To Love YournI officially miss my boyfriend!
.
Yogyakarta:
Andi Offset.
Gaya MLA
Purba, Ribka, Adelina.
"To Love YournI officially miss my boyfriend!".
Yogyakarta:
Andi Offset,
2013.
Buku Umum.