APA
Grinols E. L., . (1987). Uncertainty and the theory of international trade. Chur, Switzerland: Harwood Academic Publishers.
Chicago
Grinols Earl L, . 1987. Uncertainty and the theory of international trade. Chur, Switzerland: Harwood Academic Publishers.
Harvard
Grinols E. L., . (1987). Uncertainty and the theory of international trade. Chur, Switzerland: Harwood Academic Publishers.
MLA
Grinols Earl L, . Uncertainty and the theory of international trade. Chur, Switzerland: Harwood Academic Publishers. 1987.