Buskist, W., & Gerbing, D. W. (1990). Psychology: Boundaries and frontiers. Scott, Foesman/Little, Brown.
Lua i Stíl Chicago (17ú heag.)Buskist, William, agus David W. Gerbing. Psychology: Boundaries and Frontiers. Illinois: Scott, Foesman/Little, Brown, 1990.
Lua MLA (9ú heag.)Buskist, William, agus David W. Gerbing. Psychology: Boundaries and Frontiers. Scott, Foesman/Little, Brown, 1990.
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