APA引文

Lexus (Firm). (2011). The rough guide Portuguese phrasebook (Updated ed.). Rough Guides.

Chicago Style (17th ed.) Citation

Lexus (Firm). The Rough Guide Portuguese Phrasebook. Updated ed. London: Rough Guides, 2011.

MLA引文

Lexus (Firm). The Rough Guide Portuguese Phrasebook. Updated ed. Rough Guides, 2011.

警告：這些引文格式不一定是100％准確.