APA (7th ed.) Citation

Pirani, F., & Roche, C. (1997). Mengenal alam semesta: For beginners. Mizan.

Chicago Style (17th ed.) Citation

Pirani, Felix, and Christine Roche. Mengenal Alam Semesta: For Beginners. Mizan, 1997.

MLA (8th ed.) Citation

Pirani, Felix, and Christine Roche. Mengenal Alam Semesta: For Beginners. Mizan, 1997.

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