Spence, R. (1991). Clipper, programming guide (2nd ed.). B.P.B. publications.
Style de citation ChicagoSpence, Rick. Clipper, Programming Guide. 2nd ed. Delhi: B.P.B. publications, 1991.
Style de citation MLASpence, Rick. Clipper, Programming Guide. 2nd ed. B.P.B. publications, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.