Robinson, J. B., Helyar, K. R., & Curtis, K. M. (1987). Agricultural planning and management with computers (AGPLAN): AGPLAN beef, a program for Apple II microcomputers; 1. operating the program; 2. the principles behind the program. Dept. of Agriculture, New South Wales.
Παραπομπή σε μορφή Chicago (17η εκδ.)Robinson, J. B., K. R. Helyar, και K. M. Curtis. Agricultural Planning and Management with Computers (AGPLAN): AGPLAN Beef, a Program for Apple II Microcomputers; 1. Operating the Program; 2. the Principles Behind the Program. [Sydney]: Dept. of Agriculture, New South Wales, 1987.
Παραπομπή σε μορφή MLA (8th εκδ.)Robinson, J. B., et al. Agricultural Planning and Management with Computers (AGPLAN): AGPLAN Beef, a Program for Apple II Microcomputers; 1. Operating the Program; 2. the Principles Behind the Program. Dept. of Agriculture, New South Wales, 1987.