Rubin, Philip, author
Wolters Kluwer, 2012
Buku Teks
editor, Ch. Wittekind, H. Asamura, L.H. Sobin
Wiley Blackwell, 2014
Buku Referensi
edited by Carolyn C. Compton
Springer , 2012
eBooks
Osborne, Starr C., author
[American Management Association;, ], 2010
eBooks
De Paredes, Ellen Shaw, author
Wolters Kluwer, Lippincott Williams & Wilkins, 2007
Buku Referensi