Lua APA (7ú heag.)

STAFFORD L W T. (1978). MATHAMETICS FOR ECONOMISTS (2ND.). MACMILLAN.

Lua i Stíl Chicago (17ú heag.)

STAFFORD L W T. MATHAMETICS FOR ECONOMISTS. 2ND. LONDON: MACMILLAN, 1978.

Lua MLA (9ú heag.)

STAFFORD L W T. MATHAMETICS FOR ECONOMISTS. 2ND. MACMILLAN, 1978.

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