Lua APA (7ú heag.)

DR RAM, U. /. H. (2015). COLLINS EXPLORING GRAMMAR- 2. COLLINS.

Lua i Stíl Chicago (17ú heag.)

DR RAM, USHA / HANDS. COLLINS EXPLORING GRAMMAR- 2. COLLINS, 2015.

Lua MLA (9ú heag.)

DR RAM, USHA / HANDS. COLLINS EXPLORING GRAMMAR- 2. COLLINS, 2015.

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