APA-Zitierstil (7. Ausg.)

(1965). Opportunities after o-level: A guide for students, teachers, and parents to education and career opportunities beyond g. c. e. o-level. Penguin Books.

Chicago-Zitierstil (17. Ausg.)

Opportunities After O-level: A Guide for Students, Teachers, and Parents to Education and Career Opportunities Beyond G. C. E. O-level. Harmondsworth: Penguin Books, 1965.

MLA-Zitierstil (9. Ausg.)

Opportunities After O-level: A Guide for Students, Teachers, and Parents to Education and Career Opportunities Beyond G. C. E. O-level. Penguin Books, 1965.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.