APA Style

Astoeti, T, E. (2009). Patient Safety Oriented to Improve Patient Retention in Oral Health services. . Surabaya: FKG Universitas Airlangga.

MLA Style

Astoeti, Tri, Erri. "Patient Safety Oriented to Improve Patient Retention in Oral Health services.". Surabaya: FKG Universitas Airlangga, 2009. Text.