APA (7th ed.) Citation

Hawking, S. (2013). Sejarah singkat waktu = A Brief History Of Time. Gramedia Pustaka.

Chicago Style (17th ed.) Citation

Hawking, Stephen. Sejarah Singkat Waktu = A Brief History Of Time. Gramedia Pustaka, 2013.

MLA (8th ed.) Citation

Hawking, Stephen. Sejarah Singkat Waktu = A Brief History Of Time. Gramedia Pustaka, 2013.

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