Penggayaan APA

DS, Agustawijaya. (2011). The influence of rock properties and size into strength criteria: a proposed criterion for rock mass . Surabaya: Petra Christian University Surabaya.

Chicago Style

DS, Agustawijaya. The influence of rock properties and size into strength criteria: a proposed criterion for rock mass. Surabaya: Petra Christian University Surabaya, 2011. Artikel.

MLA Style

DS, Agustawijaya. The influence of rock properties and size into strength criteria: a proposed criterion for rock mass. Surabaya: Petra Christian University Surabaya, 2011. Artikel.

Turabian Style

DS, Agustawijaya. The influence of rock properties and size into strength criteria: a proposed criterion for rock mass. Surabaya: Petra Christian University Surabaya, 2011. Artikel.