Timpe, A. D. (1992). Kinerja. elex media komputindo.
Chicago Style (17th ed.) CitationTimpe, A. Dale. Kinerja. elex media komputindo, 1992.
MLA (8th ed.) CitationTimpe, A. Dale. Kinerja. elex media komputindo, 1992.
Warning: These citations may not always be 100% accurate.