LPPM. (1980). Sistem break-even(sistem inpas). LPPM.
Chicago Style (17th ed.) CitationLPPM. Sistem Break-even(sistem Inpas). LPPM, 1980.
MLA (8th ed.) CitationLPPM. Sistem Break-even(sistem Inpas). LPPM, 1980.
Warning: These citations may not always be 100% accurate.