Graham. (1997). Sains angkasa lepas. Eastview.
Chicago Style (17th ed.) CitationGraham. Sains Angkasa Lepas. Seri Serdang: Eastview, 1997.
MLA (8th ed.) CitationGraham. Sains Angkasa Lepas. Eastview, 1997.
Warning: These citations may not always be 100% accurate.