edited by K.N. Tu and R. Rosenberg
Academic Press, 1982
Buku Teks SO
edited by Georg Hass, Maurice H. Francombe, John L. Vossen
Academic Press , 1982
Buku Teks SO
Heavens, O.S.
Dover, 1991
Buku Teks SO
edited by J.M. Poate, K.N. Tu and J.W. Mayer
John Wiley & Sons, 1978
Buku Teks
Soohoo, Ronald F.
Harper & Row, 1965
Buku Teks SO