Lua APA (7ú heag.)

Johnson, P. .. a. (2011). Business Economics - I. Manan Prakashan.

Lua i Stíl Chicago (17ú heag.)

Johnson, P.A ...[et al.]. Business Economics - I. Mumbai: Manan Prakashan, 2011.

Lua MLA (9ú heag.)

Johnson, P.A ...[et al.]. Business Economics - I. Manan Prakashan, 2011.

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