Ridini, S. P. (1998). Health and sexuality education in schools: The process of social change. Bergin & Garvey.
Chicago Style (17th ed.) ZitazioaRidini, Steven P. Health and Sexuality Education in Schools: The Process of Social Change. Westport, Conn.: Bergin & Garvey, 1998.
MLA (9th ed.) ZitazioaRidini, Steven P. Health and Sexuality Education in Schools: The Process of Social Change. Bergin & Garvey, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.