Sprout, H. H., Sprout, M., & Sprout, H. H. 1. M. r. h. i. t. c. o. i. p. (1965). The ecological perspective on human affairs /with special reference to international politics. Published for the Princeton Center of International Studies by Princeton University Press.
Čikaški stil citiranja (17. izdanje)Sprout, Harold Hance, Margaret Sprout, i Harold Hance 1901- Man-milieu relationship hypotheses in the context of inter-national politics Sprout. The Ecological Perspective on Human Affairs /with Special Reference to International Politics. Prineton, N.J: Published for the Princeton Center of International Studies by Princeton University Press, 1965.
MLA način citiranja (9. izdanje)Sprout, Harold Hance, et al. The Ecological Perspective on Human Affairs /with Special Reference to International Politics. Published for the Princeton Center of International Studies by Princeton University Press, 1965.