APA Citation

Walker, E., & Elsworth, S. (1994). Grammar Practice for Intermediate Srudents. London: Longman.

Trích dẫn kiểu Chicago

Walker, Elaine, và Steve Elsworth. Grammar Practice for Intermediate Srudents. London: Longman, 1994.

MLA Citation

Walker, Elaine, và Steve Elsworth. Grammar Practice for Intermediate Srudents. London: Longman, 1994.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.