APA

Blough R., . (1966). International business: environment and adaptation. New York: McGraw-Hill.

Chicago

Blough Roy, . 1966. International business: environment and adaptation. New York: McGraw-Hill.

Harvard

Blough R., . (1966). International business: environment and adaptation. New York: McGraw-Hill.

MLA

Blough Roy, . International business: environment and adaptation. New York: McGraw-Hill. 1966.