Gaya APA
Piper, J. et al
(2012).
Parabel tentang Kekekalan
(
First Edition)
.
Bandung, Indonesia:
Pionir Jaya.
Gaya MLA
Piper, John. et al.
"Parabel tentang Kekekalan".
First Edition
Bandung, Indonesia:
Pionir Jaya,
2012.
Academic.