Gaya APA

Capalbo, S, M., Antle, J, M. (1988). Agricultural Productivity Measurement and Explanation (1 ( Pertama )). United States of America: Resources for The Future, Inc.

Gaya MLA

Capalbo, Susan, M.., Antle, John, M.. "Agricultural Productivity Measurement and Explanation". 1 ( Pertama ) United States of America: Resources for The Future, Inc, 1988. Textbook.