Gaya APA

Ramlan, S., Martina, S. (2012). " Pengujian Kayu Bulat " (Modul Mata Ajaran SMK 2012) . Bogor: Kemenhut BP2SDM Bogor.

Gaya MLA

Ramlan, S.Hut., Martina, S.Hut. "" Pengujian Kayu Bulat " (Modul Mata Ajaran SMK 2012)". Bogor: Kemenhut BP2SDM Bogor, 2012. Text.