Dyfyniad APA

Boudreaux, J. C., Humill, B. W., & Jeringan, R. (1987). The role of language in problem solving.

Dyfyniad Arddull Chicago

Boudreaux, J C., B W. Humill, and R. Jeringan. The Role of Language in Problem Solving. Amsterdam, Elsevier Science Publishers, 1987.

Dyfyniad MLA

Boudreaux, J C., et al. The Role of Language in Problem Solving. 1987.

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