APA

Gordon S. D., Alan D. Stafford, . (1994). Applying economic principles. New York: Macmillan/McGraw-Hill.

Chicago

Gordon Sanford D, Alan D. Stafford, . 1994. Applying economic principles. New York: Macmillan/McGraw-Hill.

Harvard

Gordon S. D., Alan D. Stafford, . (1994). Applying economic principles. New York: Macmillan/McGraw-Hill.

MLA

Gordon Sanford D, Alan D. Stafford, . Applying economic principles. New York: Macmillan/McGraw-Hill. 1994.