Gaya APA

Poyk, , F, M. (1998). A Comparison Between Existing Roading Infrastructure & Socio-Economic Activity, for Various Areas of Indonesia . : s.n..

Gaya MLA

Poyk, , Frederick, M.. "A Comparison Between Existing Roading Infrastructure & Socio-Economic Activity, for Various Areas of Indonesia". : s.n., 1998. Computer Software.