Cita APA (7th ed.)

Doyle, T. W., & Clark, J. I. (1991). Dr. Pascal tutorial manual. D.C. Heath.

Cita Chicago (17th ed.)

Doyle, Thomas W., i Jeremy I. Clark. Dr. Pascal Tutorial Manual. Lexington, Mass: D.C. Heath, 1991.

Cita MLA (9th ed.)

Doyle, Thomas W., i Jeremy I. Clark. Dr. Pascal Tutorial Manual. D.C. Heath, 1991.