Cita APA (7th ed.)
Guillou, L. A., & Purcell, E. J. (1987). Student's solutions manual for Calculus with analytic geometry, fifth edition, Edwin J. Purcell, Dale Varberg. Prentice-Hall.
Cita Chicago (17th ed.)
Guillou, Louis A., i Edwin J. Purcell. Student's Solutions Manual for Calculus with Analytic Geometry, Fifth Edition, Edwin J. Purcell, Dale Varberg. Englewood Cliffs, N.J.: Prentice-Hall, 1987.
Cita MLA (9th ed.)
Guillou, Louis A., i Edwin J. Purcell. Student's Solutions Manual for Calculus with Analytic Geometry, Fifth Edition, Edwin J. Purcell, Dale Varberg. Prentice-Hall, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.