APA (7th ed.) Citation

Wahida Abdullah. (1997). Bumi dan alam semesta. Pustaka prinsip.

Chicago Style (17th ed.) Citation

Wahida Abdullah. Bumi Dan Alam Semesta. Kuala Lumpur: Pustaka prinsip, 1997.

MLA (8th ed.) Citation

Wahida Abdullah. Bumi Dan Alam Semesta. Pustaka prinsip, 1997.

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