Heppner, P. P. (2008). Research design in counseling. Belmont, CA: Thomson Brooks/Cole.
シカゴスタイル引用形Heppner, P. Paul. Research Design in Counseling. Belmont, CA: Thomson Brooks/Cole, 2008.
MLA引用形式Heppner, P. Paul. Research Design in Counseling. Belmont, CA: Thomson Brooks/Cole, 2008.
警告: この引用は必ずしも正確ではありません.