Research and Education Association & Weisbecker, H. (1974). The calculus problem solver. JMC Press, Incorporated.
Dyfyniad Arddull ChicagoResearch and Education Association and Henry Weisbecker. The Calculus Problem Solver. Quezon City: JMC Press, Incorporated, 1974.
Dyfyniad MLAResearch and Education Association and Henry Weisbecker. The Calculus Problem Solver. JMC Press, Incorporated, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.