Poerba, R. (1977). Mari Membantu Orang lain. Firma Madju.
Chicago Style (17th ed.) CitationPoerba, R.L.Tel. Mari Membantu Orang Lain. Firma Madju, 1977.
MLA (8th ed.) CitationPoerba, R.L.Tel. Mari Membantu Orang Lain. Firma Madju, 1977.
Warning: These citations may not always be 100% accurate.