APA引文

Knowles, R. (1981). Economic and Social Geography (Fourth Edition). ELSEVIER.

Chicago Style (17th ed.) Citation

Knowles, R. Economic and Social Geography (Fourth Edition). ELSEVIER, 1981.

MLA引文

Knowles, R. Economic and Social Geography (Fourth Edition). ELSEVIER, 1981.

警告：這些引文格式不一定是100％准確.