Rosa, Frank
Water treatment specification manual
McGraw-Hill, 1985
 Buku Referensi
Laboratory manual water chemistry
by David Jenkins ... [and others]
John Wiley & Sons, 1980
 Buku Teks
Brunner, Lilian Sholtis
The Lippincott manual of nursing practice
J.B Lippincott , 1982
 Buku Teks
Brunner, Lillian Sholtis
The Llippincott manual of nursing practice
J.B. Lippincott, 1986
 Buku Teks
Consulting engineering practice manual
edited by Stanley Cohen
McGraw-Hill, 1982
 Buku Referensi