Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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