APA aipamena

SCHWITZGEBEL, R. K. Changing Human Behavior: Principles of planned intervention. McGraw-Hill Book Company.

Chicago Style aipamena

SCHWITZGEBEL, Ralph K. Changing Human Behavior: Principles of Planned Intervention. McGraw-Hill Book Company.

MLA aipamena

SCHWITZGEBEL, Ralph K. Changing Human Behavior: Principles of Planned Intervention. McGraw-Hill Book Company.

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