Podd, Marvin H., author
[Springer, Springer], 2012
eBooks
Verhaeghen, Paul, author
Oxford University Press, 2017
eBooks
Wills, Richard H.
University of Prince Edward Island, 2004
Buku Teks
Barnett, Arthur Doak, author
Frederick A. Praeger, 1963
Buku Teks
Hitt, Russell T.
Christian, 1962
Buku Teks