Lua APA (7ú heag.)

THORPE EDGAR. (1996). WHEELERS CONCISE GENERAL KNOWLEDGE DIGEST (3RD.). A H WHEELER & CO.

Lua i Stíl Chicago (17ú heag.)

THORPE EDGAR. WHEELERS CONCISE GENERAL KNOWLEDGE DIGEST. 3RD. NEW DELHI: A H WHEELER & CO, 1996.

Lua MLA (9ú heag.)

THORPE EDGAR. WHEELERS CONCISE GENERAL KNOWLEDGE DIGEST. 3RD. A H WHEELER & CO, 1996.

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