Phinney, Donna J., author
Thomson, 2004
Buku Teks
Phinney, Donna J.
Delmar Cengage Learning, 2004
Multimedia
Thomson Delmar Learning, 2008
Multimedia
editor, Daroewati Mardjono [and others]
PDGI , 1990
Buku Teks
Husna Abbas, Nooral Zeila Junid, Khairiyah Abdul Muttalib, Rohana Mohd Johari
Ministry of Health, 2001
Buku Referensi