Gaya APA

Selengke, . (2012). Engineer Economy : Technique for Project and Business Feasibility Analysis (Cet.1). Makassar: Identitas Unhas.

Gaya MLA

Selengke, . "Engineer Economy : Technique for Project and Business Feasibility Analysis". Cet.1 Makassar: Identitas Unhas, 2012. Text.