Springer International Publishing, 2015
eBooks
Penalver, Rafael A., author
Arco Publishing, Inc., 1981
Buku Teks
Penalver, Rafael A., author
Arco Publishing, 1984
Buku Teks
Sage Publications, 2012
eBooks
by Robert A. Burton ... [et al.]
Harcourt Brace Jovanovich, 1978
Buku Teks