Lua APA (7ú heag.)

NIGAM & BANERJEE. (2011). ELEMENTARY ECONOMICS FOR ICSE CLASS- X ( TEACHER'S COPY ). GOYAL PUBL.

Lua i Stíl Chicago (17ú heag.)

NIGAM & BANERJEE. ELEMENTARY ECONOMICS FOR ICSE CLASS- X ( TEACHER'S COPY ). GOYAL PUBL, 2011.

Lua MLA (9ú heag.)

NIGAM & BANERJEE. ELEMENTARY ECONOMICS FOR ICSE CLASS- X ( TEACHER'S COPY ). GOYAL PUBL, 2011.

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