Gaya APA
Singer, F, L.
(1986).
Kunci/jawaban soal-soal kekuatan bahan (strength of materials)
.
Jakarta:
Abdi Tandur.
Gaya MLA
Singer, Ferdinand, L..
"Kunci/jawaban soal-soal kekuatan bahan (strength of materials)".
Jakarta:
Abdi Tandur,
1986.
Text.