McKee, M., Robertson, I., & Frye, L. (1975). Instructor's manual and test questions for social problems. Random House.
Lua i Stíl Chicago (17ú heag.)McKee, Michael, Ian Robertson, agus Larry Frye. Instructor's Manual and Test Questions for Social Problems. New York: Random House, 1975.
Lua MLA (9ú heag.)McKee, Michael, et al. Instructor's Manual and Test Questions for Social Problems. Random House, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.