Bailey, Thomas Andrew, 1902-1983
D.C. Health, 1983
Buku Teks SO
Kennedy, David M.
Wadsworth and Cengage Learning, 2012
Buku Teks SO
Bailey, Thomas Andrew, 1902-1983
D.C. Heath, 1987
Buku Referensi
Bailey, Thomas Andrew, 1902-1983
D.C. Heath, 1987
Buku Referensi
Wadsworth, 1991
Buku Teks SO