Citazione Stile APA (7a Edizione)

Sullivan, N. (2015). Essential grammar for today's writers, students, and teachers. Routledge, Taylor & Francis Group.

Citazione stile Chigago Style (17a edizione)

Sullivan, Nancy. Essential Grammar for Today's Writers, Students, and Teachers. New York: Routledge, Taylor & Francis Group, 2015.

Citatione MLA (9a ed.)

Sullivan, Nancy. Essential Grammar for Today's Writers, Students, and Teachers. Routledge, Taylor & Francis Group, 2015.