Graham, I. (2005). Inti Sari Ilmu Ruang Angkasa. Erlangga.
Chicago Style (17th ed.) CitationGraham, Ian. Inti Sari Ilmu Ruang Angkasa. Erlangga, 2005.
MLA (8th ed.) CitationGraham, Ian. Inti Sari Ilmu Ruang Angkasa. Erlangga, 2005.
Warning: These citations may not always be 100% accurate.