Cita APA (7th ed.)

Gamble, D. R., & Pridham, R. G. (1979). A computerised machinery planning aid for evaluating farm machinery ownership/contract decisions. Hawkesbury Agricultural College.

Cita Chicago (17th ed.)

Gamble, D. R., i R. G. Pridham. A Computerised Machinery Planning Aid for Evaluating Farm Machinery Ownership/contract Decisions. Richmond, N.S.W.: Hawkesbury Agricultural College, 1979.

Cita MLA (8th ed.)

Gamble, D. R., i R. G. Pridham. A Computerised Machinery Planning Aid for Evaluating Farm Machinery Ownership/contract Decisions. Hawkesbury Agricultural College, 1979.