APA ציטוט

Cullen, J. B. (1978). Structure of Professionalism: A Quantitative Examination. PBI.

Chicago Edition Citation

Cullen, John B. Structure of Professionalism: A Quantitative Examination. New York: PBI, 1978.

ציטוט MLA

Cullen, John B. Structure of Professionalism: A Quantitative Examination. PBI, 1978.