Gaya APA
Khurmi, R.
(1978).
Strength of materials
(
edisi kelima)
.
New Delhi:
S. Chand & Company LTD.
Gaya MLA
Khurmi, R.S..
"Strength of materials".
edisi kelima
New Delhi:
S. Chand & Company LTD,
1978.
Text.