APA aipamena

David Butler. (2003). Business Planning: A Guide to business start-up. Butterworth Heinemann.

Chicago Style aipamena

David Butler. Business Planning: A Guide to Business Start-up. New Delhi: Butterworth Heinemann, 2003.

MLA aipamena

David Butler. Business Planning: A Guide to Business Start-up. Butterworth Heinemann, 2003.