editor, Ch. Wittekind, H. Asamura, L.H. Sobin
Wiley Blackwell, 2014
Buku Referensi
edited by Carolyn C. Compton
Springer , 2012
eBooks
Osborne, Starr C.
[American Management Association;, ], 2010
eBooks
De Paredes, Ellen Shaw
Wolters Kluwer, Lippincott Williams & Wilkins, 2007
Buku Referensi
Rhodin, Johannes A.G.
"London: W B Saunders, 1963",
Buku Teks