एपीए उद्धरण

Eckstut, S. (2006). Focus on grammar: An integrated skills approach. new York, NY: Pearson/Longman.

शिकागो स्टाइल उद्धरण

Eckstut, Samuela. Focus On Grammar: An Integrated Skills Approach. new York, NY: Pearson/Longman, 2006.

एमएलए उद्धरण

Eckstut, Samuela. Focus On Grammar: An Integrated Skills Approach. new York, NY: Pearson/Longman, 2006.