Παραπομπή APA

Gauld, A., & Shotter, J. (1977). Human action and its psychological investigation. Routledge and Kegan Paul.

Παραπομπή Chicago Style

Gauld, Alan, και John Shotter. Human Action and Its Psychological Investigation. London Boston: Routledge and Kegan Paul, 1977.

Παραπομπή MLA

Gauld, Alan, και John Shotter. Human Action and Its Psychological Investigation. Routledge and Kegan Paul, 1977.