Citazione Stile APA (7a Edizione)

Ossowska, M., & Gułowska, I. (1980). Moral norms: A tentative systematization. PWN - Polish Scientific Publishers.

Citazione stile Chigago Style (17a edizione)

Ossowska, Maria, e Irena Gułowska. Moral Norms: A Tentative Systematization. Warszawa: PWN - Polish Scientific Publishers, 1980.

Citatione MLA (9a ed.)

Ossowska, Maria, e Irena Gułowska. Moral Norms: A Tentative Systematization. PWN - Polish Scientific Publishers, 1980.