Gaya APA
v, , Nash, W., A. (1998).
Schaum's outline of theory and problems of strength of materials (ed. iv).
new york:
Akademi Komunitas Perkebunan Yogyakarta.
Gaya MLA
v, , Nash, W., A..
Schaum's outline of theory and problems of strength of materials.
ed. iv
new york:
Akademi Komunitas Perkebunan Yogyakarta,
1998.
Text.