Gaya APA
], A, P, ., [, E.
(2011).
Fenomena alam paling spektakuler
(
Cet.1)
.
Yogyakarta:
Jogya Great Publisher.
Gaya MLA
], Astri, Pratiwi, ..., [, Et.al..
"Fenomena alam paling spektakuler".
Cet.1
Yogyakarta:
Jogya Great Publisher,
2011.
Teks.