Dyfyniad APA

Elsworth, S., & Walker, E. (1986). Grammar practice for intermediate students.

Dyfyniad Arddull Chicago

Elsworth, Steve, and Elaine Walker. Grammar Practice for Intermediate Students. Hyderabad, Orient Longman, 1986.

Dyfyniad MLA

Elsworth, Steve, and Elaine Walker. Grammar Practice for Intermediate Students. 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.