Παραπομπή σε μορφή APA (7η εκδ.)
American Agricultural Economics Association, ebrary, Inc, & Martin, L. R. (1977). Traditional fields of agricultural economics, 1940s to 1970s. Published by the University of Minnesota Press for the American Agricultural Economics Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)
American Agricultural Economics Association, Inc ebrary, και Lee R. Martin. Traditional Fields of Agricultural Economics, 1940s to 1970s. Minneapolis: Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.
Παραπομπή σε μορφή MLA (9th εκδ.)
American Agricultural Economics Association, et al. Traditional Fields of Agricultural Economics, 1940s to 1970s. Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.