एपीए उद्धरण

(1978). How to develop project feasibility studies. Philipin: Sinag-Tala.

शिकागो स्टाइल उद्धरण

How to Develop Project Feasibility Studies. Philipin: Sinag-Tala, 1978.

एमएलए उद्धरण

How to Develop Project Feasibility Studies. Philipin: Sinag-Tala, 1978.