Penggayaan APA

Ford, Ph.D., Lucille G.. (1992). Economics Learning and Instruction (2nd Ed.). Amerika: South-Western Publishing Co..

Chicago Style

Ford, Ph.D., Lucille G.. Economics Learning and Instruction. 2nd Ed. Amerika: South-Western Publishing Co., 1992. Text.

MLA Style

Ford, Ph.D., Lucille G.. Economics Learning and Instruction. 2nd Ed. Amerika: South-Western Publishing Co., 1992. Text.

Turabian Style

Ford, Ph.D., Lucille G.. Economics Learning and Instruction. 2nd Ed. Amerika: South-Western Publishing Co., 1992. Print.