Maor, E. (1998). Trigonometric delights. Princeton University Press.
Dyfyniad Arddull ChicagoMaor, Eli. Trigonometric Delights. Princeton, N.J.: Princeton University Press, 1998.
Dyfyniad MLAMaor, Eli. Trigonometric Delights. Princeton University Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.