APA aipamena

Hansen, J. C. (1990). Consultation: Concepts and practices. Prentice Hall.

Chicago Style aipamena

Hansen, James C. Consultation: Concepts and Practices. Englewood Cliffs, N.J: Prentice Hall, 1990.

MLA aipamena

Hansen, James C. Consultation: Concepts and Practices. Prentice Hall, 1990.