Παραπομπή APA

Schoenfeld, R. (1989). Chemist's english (3rd ed.). VCH Vevlag.

Παραπομπή Chicago Style

Schoenfeld, Robert. Chemist's English. 3rd ed. Weinheim: VCH Vevlag, 1989.

Παραπομπή MLA

Schoenfeld, Robert. Chemist's English. 3rd ed. VCH Vevlag, 1989.