Gaya APA

English, J, M. (1984). Project evaluation: a unified approach for the analysis of capital investments . United States of Amerika: Macmillan Publishing Company.

Gaya MLA

English, J., Morley. "Project evaluation: a unified approach for the analysis of capital investments". United States of Amerika: Macmillan Publishing Company, 1984. Manajemen Administrasi D3.