Lua APA (7ú heag.)

SAMUELSON P A. (2002). ECONOMICS (17TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Lua i Stíl Chicago (17ú heag.)

SAMUELSON P A. ECONOMICS. 17TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2002.

Lua MLA (9ú heag.)

SAMUELSON P A. ECONOMICS. 17TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2002.

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