Cita APA (7a ed.)
Obanya, P. (1982). Secondary English teaching. Macmillan.
Cita Chicago Style (17a ed.)
Obanya, Pai. Secondary English Teaching. London: Macmillan, 1982.
Cita MLA (9a ed.)
Obanya, Pai. Secondary English Teaching. Macmillan, 1982.
Precaución: Estas citas no son 100% exactas.