Gaya APA

Widodo, E, (. (2000). English for sociology I : english for specific purposes (Ed.1 Cet.1). Malang: Language Centre, UMM Press.

Gaya MLA

Widodo, Estu, (et.al). "English for sociology I : english for specific purposes". Ed.1 Cet.1 Malang: Language Centre, UMM Press, 2000. Buku Tercetak.