Gaya APA
dkk, A, P.
(2011).
Fenomena Alam Paling Spektakuler
(
1)
.
Yogyakarta:
Jogja Great.
Gaya MLA
dkk, Asri, Pratiwi,.
"Fenomena Alam Paling Spektakuler".
1
Yogyakarta:
Jogja Great,
2011.
Text.