Gaya APA

THAMRIN, M, Y. (2025). NATIONAL GEOGRAPHIC INDONESIA ULAR DERIK (VOL 20). Jakarta Pusat: PT.GRAMEDIA.

Gaya MLA

THAMRIN, MAHANDIS, YOANATA. "NATIONAL GEOGRAPHIC INDONESIA ULAR DERIK". VOL 20 Jakarta Pusat: PT.GRAMEDIA, 2025. Text.