Cita APA (7a ed.)
Phillips, A., & Phillips, T. (1994). Business opportunities: Teacher's book (1.vyd.). Oxford University Press.
Cita Chicago Style (17a ed.)
Phillips, Anna, y Terry Phillips. Business Opportunities: Teacher's Book. 1.vyd. Oxford: Oxford University Press, 1994.
Cita MLA (9a ed.)
Phillips, Anna, y Terry Phillips. Business Opportunities: Teacher's Book. 1.vyd. Oxford University Press, 1994.
Precaución: Estas citas no son 100% exactas.