Gaya APA
Posner-Sanchez, A. et al
(2011).
The Beauty of nature: Indahnya alam
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Posner-Sanchez, Andrea. et al.
"The Beauty of nature: Indahnya alam".
Jakarta:
Gramedia Pustaka Utama,
2011.
Text / Book.