Nelson, Gideon E., author
John Wiley & Sons, 1984
Buku Teks
Midgley, Mary, author
Routledge, 1998
Buku Teks
Kraus, Bertram S.
Harper & Row, 1964
Buku Teks
Fausto-Sterling, Anne
Basic Books, 1985
Buku Teks
Keenleyside, Anne, author
W. Ross MacDonald School Resource Services Library, 2015
Buku Teks