APA引文

SINGH, J. A. D. (1984). AGRICULTURAL GEOGRAPHY. McGraw-Hill.

Chicago Style (17th ed.) Citation

SINGH, JASBIR AND DHILLON. AGRICULTURAL GEOGRAPHY. McGraw-Hill, 1984.

MLA引文

SINGH, JASBIR AND DHILLON. AGRICULTURAL GEOGRAPHY. McGraw-Hill, 1984.

警告：这些引文格式不一定是100％准确.