Gaya APA
Ilyas, A. (1987).
Training Pre-investment Planning for Community Water Supply Accountant and Sanitation .
Atlanta:
International Drinking Water Supply and Sanitation.
Gaya MLA
Ilyas, Alaoeddin.
"Training Pre-investment Planning for Community Water Supply Accountant and Sanitation".
Atlanta:
International Drinking Water Supply and Sanitation,
1987.
print.