Lua APA (7ú heag.)

QUIRK, R., & GREENBAUM, S. (1982). A University grammar of English. Longman Limited Group.

Lua i Stíl Chicago (17ú heag.)

QUIRK, Randolph, agus Sidney GREENBAUM. A University Grammar of English. Harlow: Longman Limited Group, 1982.

Lua MLA (9ú heag.)

QUIRK, Randolph, agus Sidney GREENBAUM. A University Grammar of English. Longman Limited Group, 1982.

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