APA

Burgess S., Acklam R., . (2001). Gold. Advanced. Harlow: Longman.

Chicago

Burgess S, Acklam R, . 2001. Gold. Advanced. Harlow: Longman.

Harvard

Burgess S., Acklam R., . (2001). Gold. Advanced. Harlow: Longman.

MLA

Burgess S, Acklam R, . Gold. Advanced. Harlow: Longman. 2001.