एपीए उद्धरण

Mackey, D., Jenkins, R., & Johnson, S. (2015). Grammar explorer. Boston: National Geographic Learning, Cengage Learning.

शिकागो स्टाइल उद्धरण

Mackey, Daphne, Rob Jenkins, और Staci Johnson. Grammar Explorer. Boston: National Geographic Learning, Cengage Learning, 2015.

एमएलए उद्धरण

Mackey, Daphne, Rob Jenkins, और Staci Johnson. Grammar Explorer. Boston: National Geographic Learning, Cengage Learning, 2015.