Gaya APA
yunus, A. (2008).
Pocket book of technical writing for engineers and scientists (ed. 3th).
sidoarjo:
Akademi Komunitas Perkebunan Yogyakarta.
Gaya MLA
yunus, A..
Pocket book of technical writing for engineers and scientists.
ed. 3th
sidoarjo:
Akademi Komunitas Perkebunan Yogyakarta,
2008.
Text.