Pyke, S. W., & Agnew, N. M. (1991). The science game: An introduction to research in the social sciences (5th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Pyke, Sandra W., agus Niel McK Agnew. The Science Game: An Introduction to Research in the Social Sciences. 5th ed. Englewood Cliff, N.J: Prentice-Hall, 1991.
Lua MLA (9ú heag.)Pyke, Sandra W., agus Niel McK Agnew. The Science Game: An Introduction to Research in the Social Sciences. 5th ed. Prentice-Hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.