edited by Shirley Fisher and James Reason
John Wiley & Sons, 1988
Buku Referensi
Wilcocks, Charles
Oxford University Press, 1950
Buku Teks
Ezekiel Kalipeni, Juliet Iwelunmor, Diana Grigsby-Toussaint, Imelda Moise, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Cohen, Barbara Janson, author
Lippincott Williams & Wilkins, 2005
Buku Teks
Marks, John, author
Medical and Technical, 1975
Buku Teks