Gerritsen, F. (1974). The use of ocean technology in developing countries. Technology and Development Institute.
Lua i Stíl Chicago (17ú heag.)Gerritsen, Frans. The Use of Ocean Technology in Developing Countries. Honolulu: Technology and Development Institute, 1974.
Lua MLA (9ú heag.)Gerritsen, Frans. The Use of Ocean Technology in Developing Countries. Technology and Development Institute, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.