edited by John Herman Randali, Justus Buchler
Barnes & Noble, 1950
Buku Teks
Stumpf, Samuel Enoch, 1918-1998, author
McGraw-Hill, 2012
Buku Teks
Christensen, Kit R., author
McGraw-Hill, 2002
Buku Teks
Gyula Klima, Fritz Allhoff, Anand Vaidya
BlackWell Publishing, 2007
Buku Teks
Stumpf, Samuel Enoch, 1918-1998, author
McGraw-Hill, 1971
Buku Teks