Cita APA

(1976). Work: D[101] block [5][(16 & 17)]. Open University Press.

Chicago Edition Citation

Work: D[101] Block [5][(16 & 17)]. Open University Press, 1976.

Cita MLA

Work: D[101] Block [5][(16 & 17)]. Open University Press, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.