Gaya APA

Langan, J, L, J. (2004). Sentence Skills, From B : A workbook for writers.-- (Ed. 7.--). America: McGraw-Hill.

Gaya MLA

Langan, John, Langan,, John. "Sentence Skills, From B : A workbook for writers.--". Ed. 7.-- America: McGraw-Hill, 2004. Buku.