Gaya APA

STOBBE, G. (2008). E-BOOK JUST ENOUGH ENGLISH GRAMMAR ILLUSTRATED . NEW YORK: MCGRAW-HILL BOOK COMPANY.

Gaya MLA

STOBBE, GABRIELE. "E-BOOK JUST ENOUGH ENGLISH GRAMMAR ILLUSTRATED". NEW YORK: MCGRAW-HILL BOOK COMPANY, 2008. Computer File.