Gaya APA
Pytel, A., Singer, F, L. (1985).
Kekuatan Bahan edisi ketiga (Teori Kojoh-Strength of Materials) (ed. 3 -).
Jakarta_:
Erlangga Publishing.
Gaya MLA
Pytel, Andrew., Singer, Ferdinand, L..
"Kekuatan Bahan edisi ketiga (Teori Kojoh-Strength of Materials)".
ed. 3 -
Jakarta_:
Erlangga Publishing,
1985.
Buku Teks.