APA Style

Pratiwi, V. et al (2012). Relationship between salivary fluor concentration and caries index in 12-15 years old children . Surabaya: FKG Universitas Airlangga.

MLA Style

Pratiwi, Vidyana. et al. "Relationship between salivary fluor concentration and caries index in 12-15 years old children". Surabaya: FKG Universitas Airlangga, 2012. Text.