Gaya APA
Pytel, Andrew. , Singer, Ferdinand L.. (1987).
Strength of materials / Andrew Pytel, Ferdinand L. Singer (4th ed.).
Cambridge:
Harper n Row.
Gaya Chicago
Pytel, Andrew. , Singer, Ferdinand L..
Strength of materials / Andrew Pytel, Ferdinand L. Singer.
4th ed.
Cambridge:
Harper n Row,
1987.
Text.
Gaya MLA
Pytel, Andrew. , Singer, Ferdinand L..
Strength of materials / Andrew Pytel, Ferdinand L. Singer.
4th ed.
Cambridge:
Harper n Row,
1987.
Text.
Gaya Turabian
Pytel, Andrew. , Singer, Ferdinand L..
Strength of materials / Andrew Pytel, Ferdinand L. Singer.
4th ed.
Cambridge:
Harper n Row,
1987.
Print.