एपीए उद्धरण

(1999). Learn to speak English: Complete interactive English course for non-native speaker. Fremont, CA.: The Learning Company.

शिकागो स्टाइल उद्धरण

Learn to Speak English: Complete Interactive English Course for Non-native Speaker. Fremont, CA.: The Learning Company, 1999.

एमएलए उद्धरण

Learn to Speak English: Complete Interactive English Course for Non-native Speaker. Fremont, CA.: The Learning Company, 1999.