Παραπομπή APA

Brockington W. A. (1978). Citizen of the world. Blackie & Son.

Παραπομπή Chicago Style

Brockington W. A. Citizen of the World. Bombay: Blackie & Son, 1978.

Παραπομπή MLA

Brockington W. A. Citizen of the World. Blackie & Son, 1978.