APA Citation

Ward, B., & Daniel Eko. (2009). Ensiklopedia pertamaku: Sains. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Ward, Brian, and Daniel Eko. Ensiklopedia Pertamaku: Sains. Jakarta: Elex Media Komputindo, 2009.

MLA Citation

Ward, Brian, and Daniel Eko. Ensiklopedia Pertamaku: Sains. Jakarta: Elex Media Komputindo, 2009.

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