Sigar, E. (1998). Buku cerdas. Pustaka Delapratasa.
Chicago Style (17th ed.) CitationSigar, Edi. Buku Cerdas. Pustaka Delapratasa, 1998.
MLA (8th ed.) CitationSigar, Edi. Buku Cerdas. Pustaka Delapratasa, 1998.
Warning: These citations may not always be 100% accurate.