Gaya APA
Burkart, M., J. et al. (2004).
Elevated work platforms and scaffolding: job site safety manual (-).
new york:
Akademi Komunitas Perkebunan Yogyakarta.
Gaya MLA
Burkart, M., J. et al..
Elevated work platforms and scaffolding: job site safety manual.
-
new york:
Akademi Komunitas Perkebunan Yogyakarta,
2004.
Text.