Birch, P. (1996). Business creativity: Berpikir kreatif dalam berbisnis. PT Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationBirch, Paul. Business Creativity: Berpikir Kreatif Dalam Berbisnis. PT Gramedia Pustaka Utama, 1996.
MLA (8th ed.) CitationBirch, Paul. Business Creativity: Berpikir Kreatif Dalam Berbisnis. PT Gramedia Pustaka Utama, 1996.
Warning: These citations may not always be 100% accurate.