APA (7th ed.) Citation

Graham, I. (2005). ruang angkasa. Erlangga.

Chicago Style (17th ed.) Citation

Graham, Ian. Ruang Angkasa. Erlangga, 2005.

MLA (8th ed.) Citation

Graham, Ian. Ruang Angkasa. Erlangga, 2005.

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