APA aipamena

Donald D Bell & Mack O North. (1990). Commercial chicken production manual (4th.). Chapman& hall.

Chicago Style aipamena

Donald D Bell and Mack O North. Commercial Chicken Production Manual. 4th. Chapman& hall, 1990.

MLA aipamena

Donald D Bell and Mack O North. Commercial Chicken Production Manual. 4th. Chapman& hall, 1990.

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