Lua APA (7ú heag.)

Hartley, J. P. D. (1998). Learning and studying: A research perspective. Routledge.

Lua i Stíl Chicago (17ú heag.)

Hartley, James Ph. D. Learning and Studying: A Research Perspective. London: Routledge, 1998.

Lua MLA (9ú heag.)

Hartley, James Ph. D. Learning and Studying: A Research Perspective. Routledge, 1998.

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