APA (7th ed.) Zitazioa

Cowan, L. (1998). A First course in information technology tutor's manual. Univ. Pr.

Chicago Style (17th ed.) Zitazioa

Cowan, Leslie. A First Course in Information Technology Tutor's Manual. Oxford: Univ. Pr, 1998.

MLA (9th ed.) Zitazioa

Cowan, Leslie. A First Course in Information Technology Tutor's Manual. Univ. Pr, 1998.