Gaya APA

Summers, D., Gadsby, A. (1999). Longman basic dictionary of american english/ Della Summers (Ed.1). Englan UK: Longman.

Gaya MLA

Summers, Della., Gadsby, Adam. "Longman basic dictionary of american english/ Della Summers". Ed.1 Englan UK: Longman, 1999. Text.