Gaya APA
Ex, A, C. (2011).
Fenomena Alam Paling Spektakuler (Cet. I).
Upper Saddle River, NJ:
LEMBIMJAR NEUTRON YOGYAARTA.
Gaya MLA
Ex, Antonny, Chin.
"Fenomena Alam Paling Spektakuler".
Cet. I
Upper Saddle River, NJ:
LEMBIMJAR NEUTRON YOGYAARTA,
2011.
Text.