edited by William H. Allaway
Westview Press, 1985
Buku Teks
[Career Development Center Universitas Indonesia, Fakultas Ilmu Keperawatan Universitas Indonesia], 2012
UI - Makalah dan Kertas Kerja
Center for International Higher Education Boston Collage,
Majalah, Jurnal, Buletin
George E. Walker ... [and others]
Jossey-Bass, 2008
Buku Teks
Kluwer Academic Publishers, 1992
Buku Teks