Gaya APA
Birley, D., Dufton, A. (1971).
An equal chance : Equalities and inequalities of educational opportunity .
London:
Routledge.
Gaya MLA
Birley, Derek., Dufton, Anne.
"An equal chance : Equalities and inequalities of educational opportunity".
London:
Routledge,
1971.
Text.