APA Citation

Hawking Stephen. (1995). RIWAYAT SANGKALA. Jakarta: Grafisi.

Chicago Style Citation

Hawking Stephen. RIWAYAT SANGKALA. Jakarta: Grafisi, 1995.

MLA Citation

Hawking Stephen. RIWAYAT SANGKALA. Jakarta: Grafisi, 1995.

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