APA

Hartmann P. ت. م., .Interactions 1:Reading. New York:Mcgraw-Hill/Contemporary,2002: .

Chicago

Hartmann Pamela تأليف/kirn,Elaine م.مشارك, .Interactions 1:Reading. New York:Mcgraw-Hill/Contemporary,2002: .

Harvard

Hartmann P. ت. م., .Interactions 1:Reading. New York:Mcgraw-Hill/Contemporary,2002: .

MLA

Hartmann Pamela تأليف/kirn,Elaine م.مشارك, .New York:Mcgraw-Hill/Contemporary,2002: . .