Abelson, H., Fellman, L., & Rudolph, L. 515 A139c: Calculus of elementary functions 1AB. New York.
Cita Chicago (17th ed.)Abelson, Harold, Leonard Fellman, i Lee Rudolph. 515 A139c: Calculus of Elementary Functions 1AB. Harold Abelson; Leonard Fellman; Lee Rudolph: New York.
Cita MLA (9th ed.)Abelson, Harold, et al. 515 A139c: Calculus of Elementary Functions 1AB. New York.
Atenció: Aquestes cites poden no estar 100% correctes.