Gaya APA
, ., Church, A, H.
(1972).
**Centrifugal pumps and blowers
.
New York:
New York: Robert E. Krieger; 1972.
Gaya MLA
, ., Church, Austin, H.
"**Centrifugal pumps and blowers".
New York:
New York: Robert E. Krieger; 1972,
1972.
Text.