Witty, P. (1963). Membantu anak jang berbakat. Djaja Sakti.
Chicago Style (17th ed.) CitationWitty, Paul. Membantu Anak Jang Berbakat. Djaja Sakti, 1963.
MLA (8th ed.) CitationWitty, Paul. Membantu Anak Jang Berbakat. Djaja Sakti, 1963.
Warning: These citations may not always be 100% accurate.