Wardhana, E. (2004). Alam Semesta/ Eka Wardhana. Bandung: Syaamil.
Chicago Style (17th ed.) CitationWardhana, Eka. Alam Semesta/ Eka Wardhana. Bandung: Syaamil, 2004.
MLA (8th ed.) CitationWardhana, Eka. Alam Semesta/ Eka Wardhana. Bandung: Syaamil, 2004.
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