Routledge & Kegan Paul, 1958
Buku Teks
edited by Roy C. Macridis, Bernard E. Brown
Dorsey Press, 1968
Buku Teks
Allen & Unwin, 1950
Buku Teks
edited by Roy C. Macridis and Bernard E. Brown
Wadsworth, 1990
Buku Teks
edited by Roy C. Macridis and Bernard E. Brown
Wadsworth, 1996
Buku Teks