Nowak, S., & Lepa, M. O. (1977). Methodology of sociological research: General problems. PWN-Polish Scientific Publishers ; D. Reidel Publishing Company.
Style de citation Chicago (17e éd.)Nowak, Stefan, et Maria Olga Lepa. Methodology of Sociological Research: General Problems. Warszawa : Dordrecht ; Boston: PWN-Polish Scientific Publishers ; D. Reidel Publishing Company, 1977.
Style de citation MLA (9e éd.)Nowak, Stefan, et Maria Olga Lepa. Methodology of Sociological Research: General Problems. PWN-Polish Scientific Publishers ; D. Reidel Publishing Company, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.