Ashford, Theodor Askounes, author
Holt, Rinehart and Winston, 1967
Buku Teks
Swenson, Hugo N., author
John Wiley & Sons, 1957
Buku Teks
by V. Lawrence Parsegian ... [et.al.]
Academic Press, 1968
Buku Teks
edited by Frank N. Magill
Salem Press, 1992
Buku Referensi
edited by Frank N. Magill
Salem Press, 1992
Buku Referensi