Cita APA (7th ed.)

Hill, B. E., & Ingersent, K. A. (1977). An economic analysis of agriculture. Heinemann Educational Books.

Cita Chicago (17th ed.)

Hill, Brian E., i K. A. Ingersent. An Economic Analysis of Agriculture. London: Heinemann Educational Books, 1977.

Cita MLA (9th ed.)

Hill, Brian E., i K. A. Ingersent. An Economic Analysis of Agriculture. Heinemann Educational Books, 1977.