Gaya APA

INGERSOLL, T, G., O\'CONNOR, R. (1986). Politics dan Structure : essentials of american national goverment (4th.ed). California: Brooks/Cole Publishing Company.

Gaya MLA

INGERSOLL, Thomas, G., O\'CONNOR, Robert. "Politics dan Structure : essentials of american national goverment". 4th.ed California: Brooks/Cole Publishing Company, 1986. Text.