Trích dẫn APA

Langan, J. (2008). English Essential. What every College Student Needs to Know about Grammar, Punctuation, and Usage. Mcgaw - Hill.

Trích dẫn kiểu Chicago

Langan, John. English Essential. What Every College Student Needs to Know About Grammar, Punctuation, and Usage. Mcgaw - Hill, 2008.

Trích dẫn MLA

Langan, John. English Essential. What Every College Student Needs to Know About Grammar, Punctuation, and Usage. Mcgaw - Hill, 2008.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.