New York : Macmillan, 1993,
Buku Referensi
Franks, B. Don, author
Human Kinetics Books, 1989
Buku Referensi
Siedentop, Daryl, author
McGraw-Hill, 2012
Buku Teks
Nurul Hikmah, author
Universitas Indonesia, 2012
UI - Skripsi (Open)
Forster, E.M. (Edward Morgan), 1879-1970, author
Harcourt, Brace and World, 1954
Buku Teks