APA (7e ed.) Bronvermelding

STONE, A. A., & GULVIN, H. E. (1977). Machines for power farming.-- 3rd ed. John Wiley and Sons.

Chicago (17e ed.) Bronvermelding

STONE, Archie A., en Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. New York: John Wiley and Sons, 1977.

MLA (9e ed.) Bronvermelding

STONE, Archie A., en Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. John Wiley and Sons, 1977.