APA(7版)引用形式
Trahan, M., & Gray, P. (1991). Focus on psychology: A guide to mastering Peter Gray's psychology. Worth.
Chicagoスタイル(17版)引用形式
Trahan, Mary, , Peter Gray. Focus on Psychology: A Guide to Mastering Peter Gray's Psychology. New York: Worth, 1991.
MLA(9版)引用形式
Trahan, Mary, , Peter Gray. Focus on Psychology: A Guide to Mastering Peter Gray's Psychology. Worth, 1991.
警告: この引用は必ずしも正確ではありません.