Fleenor, C. R., Shanks, M. E., & Brunfiel, C. F. (1968). The elementary function. Addison-Wesley.
Cita Chicago (17th ed.)Fleenor, Charles R., Merrill E. Shanks, i Charles F. Brunfiel. The Elementary Function. Reading, Mass: Addison-Wesley, 1968.
Cita MLA (9th ed.)Fleenor, Charles R., et al. The Elementary Function. Addison-Wesley, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.