Gaya APA
Mech.E., C, P, C, F.
(1969).
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(
74)
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Florida:
Morgan-Grampian.
Gaya MLA
Mech.E., C.E., Prockter,, C.eng.,, F.i..
"Kempe's Engineers Year - Book (volume 1)".
74
Florida:
Morgan-Grampian,
1969.
Text.