Lua APA (7ú heag.)

Lester, J. D., & Lester, J. D. (2003). Principles of writing research papers. Longman.

Lua i Stíl Chicago (17ú heag.)

Lester, James D., agus James D. Lester. Principles of Writing Research Papers. New York: Longman, 2003.

Lua MLA (9ú heag.)

Lester, James D., agus James D. Lester. Principles of Writing Research Papers. Longman, 2003.

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