Sun, C. F., & Chen, C. (1993). Square beak. Boston: Houghton Mifflin Company.
シカゴスタイル引用形Sun, Chyng Feng, , Chihsien Chen. Square Beak. Boston: Houghton Mifflin Company, 1993.
MLA引用形式Sun, Chyng Feng, , Chihsien Chen. Square Beak. Boston: Houghton Mifflin Company, 1993.
警告: この引用は必ずしも正確ではありません.