APA (7th ed.) Citation

O\'hara, S., & Sukarno, N. (2001). Buku saku fakta alam. Erlangga.

Chicago Style (17th ed.) Citation

O\'hara, Scarlett, and Nampiah Sukarno. Buku Saku Fakta Alam. Erlangga, 2001.

MLA (8th ed.) Citation

O\'hara, Scarlett, and Nampiah Sukarno. Buku Saku Fakta Alam. Erlangga, 2001.

Warning: These citations may not always be 100% accurate.