Cita APA (7th ed.)

Kingdon, J. M., & Stobart, G. (1988). GCSE examined. Falmer Press.

Cita Chicago (17th ed.)

Kingdon, J. M., i Gordon Stobart. GCSE Examined. London: Falmer Press, 1988.

Cita MLA (9th ed.)

Kingdon, J. M., i Gordon Stobart. GCSE Examined. Falmer Press, 1988.