Gaya APA
Al-Layla, M, A. et al
(1978).
Water Supply Engineering Design
(
Cet. 2)
.
Michigan:
Ann Arbor Science.
Gaya MLA
Al-Layla, M., Anis. et al.
"Water Supply Engineering Design".
Cet. 2
Michigan:
Ann Arbor Science,
1978.
Text.