Citazione Stile APA (7a Edizione)

CHAINES, M. H. (1980). Developing oral english skills: Spectrum of engliish 1. Glenchoe Publishing.

Citazione stile Chigago Style (17a edizione)

CHAINES, Mary H. Developing Oral English Skills: Spectrum of Engliish 1. Enchino: Glenchoe Publishing, 1980.

Citatione MLA (9a ed.)

CHAINES, Mary H. Developing Oral English Skills: Spectrum of Engliish 1. Glenchoe Publishing, 1980.