Gaya APA
, J, H, M., Leach, , R, M.
(1980).
Marine Steam Boilers
(
4)
.
LONDON ::
BUTTERWORTH,.
Gaya MLA
, James, H., Milton., Leach, , Roy, M..
"Marine Steam Boilers".
4
LONDON ::
BUTTERWORTH,,
1980.
Monograf.