Margareta Nordin, Vuctor H. Frankel, editors
Wolters Kluwer, 2012
Buku Teks
Hall, Susan J., author
McGraw-Hill, 2012
Buku Teks
Hall, Susan J.
McGraw-Hill, 2012
Buku Teks
edited by Philip Sambrook, Thomas Taylor, Leslie Schrieber, Andrew M. Ellis
Churchill Livingstone, 2015
Buku Teks
Berquist, Thomas H., editor
Wolters Kluwer, 2013
Buku Referensi