SCHWITZGEBEL, R. K. Changing Human Behavior: Principles of planned intervention. McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationSCHWITZGEBEL, Ralph K. Changing Human Behavior: Principles of Planned Intervention. McGraw-Hill Book Company.
MLA引文SCHWITZGEBEL, Ralph K. Changing Human Behavior: Principles of Planned Intervention. McGraw-Hill Book Company.
警告:這些引文格式不一定是100%准確.