BOLLAS, C. (2002). Assosiasi bebas. Pohon Sukma.
Chicago Style (17th ed.) CitationBOLLAS, Christopher. Assosiasi Bebas. Pohon Sukma, 2002.
MLA (8th ed.) CitationBOLLAS, Christopher. Assosiasi Bebas. Pohon Sukma, 2002.
Warning: These citations may not always be 100% accurate.