Gaya APA
Niemann, G. (1978).
Machine Element Design & Calculation in Mechanical Engineering, vol. 1 : Fundamentals, connections, bearings, shafts ans accessories .
Berlin:
Springer Verlag.
Gaya MLA
Niemann, Gustav.
"Machine Element Design & Calculation in Mechanical Engineering, vol. 1 : Fundamentals, connections, bearings, shafts ans accessories".
Berlin:
Springer Verlag,
1978.
Text.