Purba, D. M. (2002). Kimia Kelas X. Erlangga.
Chicago Style (17th ed.) CitationPurba, Drs. Michael. Kimia Kelas X. Erlangga, 2002.
MLA (8th ed.) CitationPurba, Drs. Michael. Kimia Kelas X. Erlangga, 2002.
Warning: These citations may not always be 100% accurate.