Gaya APA

Emery., T. (1947). Economics of public utilities / Emery Troxel (Cet.1). New York: Rinehart n Company.

Gaya MLA

Troxel, Emery.. "Economics of public utilities / Emery Troxel". Cet.1 New York: Rinehart n Company, 1947. Skripsi.