Gaya APA

Richey, C, B., [at.a], P, J. (1961). Agricultural Engineers' Handbook . United States of America: Mc Graw-Hill Book Company.

Gaya MLA

Richey, C., B.., [at.a], Paul, Jacobson. "Agricultural Engineers' Handbook". United States of America: Mc Graw-Hill Book Company, 1961. Teks.