Citazione Stile APA (7a Edizione)

KING, F., & CREE, D. A. (1986). English business letters: Commercial correspondence forforeign students.--Ed. New. Longman.

Citazione stile Chigago Style (17a edizione)

KING, F.W, e D. Ann CREE. English Business Letters: Commercial Correspondence Forforeign Students.--Ed. New. England: Longman, 1986.

Citatione MLA (9a ed.)

KING, F.W, e D. Ann CREE. English Business Letters: Commercial Correspondence Forforeign Students.--Ed. New. Longman, 1986.