Lua APA (7ú heag.)
Labovitz, S., & Hagedorn, R. (1971). Introduction to social research (2nd ed.). McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)
Labovitz, Sanford, agus Robert Hagedorn. Introduction to Social Research. 2nd ed. New York: McGraw - Hill, 1971.
Lua MLA (9ú heag.)
Labovitz, Sanford, agus Robert Hagedorn. Introduction to Social Research. 2nd ed. McGraw - Hill, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.