Hughes, John
D. McKay, 1967
Buku Teks
Langer, William L.
Harper Torchbooks, 1969
Buku Teks
Diamond, Jared
KPG (Kepustakaan Populer Gramedia), 2022
Buku Teks
Stearns, Peter N.
Macmillan, 1967
Buku Teks
Allan, Jeremy
Metafor Publishing, 2001
Buku Teks SO