Lua APA (7ú heag.)

Thorpes. Economics - II. LexisNexis.

Lua i Stíl Chicago (17ú heag.)

Thorpes. Economics - II. Gurgaon Haryana Gurgaon Haryana: LexisNexis.

Lua MLA (9ú heag.)

Thorpes. Economics - II. LexisNexis.

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