Shoemaker, P. J., Tankard, J. W., & Lasorsa, D. L. (2004). How to build social science theories. Sage.
Lua i Stíl Chicago (17ú heag.)Shoemaker, Pamela J., James W. Tankard, agus Dominic L. Lasorsa. How to Build Social Science Theories. Thousand Oaks, CA: Sage, 2004.
Lua MLA (9ú heag.)Shoemaker, Pamela J., et al. How to Build Social Science Theories. Sage, 2004.
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