Lua APA (7ú heag.)

AARON, B., & AARON, A. (1991). Upgrading PCS made easy. Osborne McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

AARON, Bud, agus Alex AARON. Upgrading PCS Made Easy. Berkeley: Osborne McGraw-Hill, 1991.

Lua MLA (9ú heag.)

AARON, Bud, agus Alex AARON. Upgrading PCS Made Easy. Osborne McGraw-Hill, 1991.

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