International Science Policy Foundation. (1979). Outlook on Science Policy. Elsevier Sequoia.
Citação do estilo Chicago (17ª ed.)International Science Policy Foundation. Outlook on Science Policy. Lausanne, Suíça: Elsevier Sequoia, 1979.
Citação MLA (8ª ed.)International Science Policy Foundation. Outlook on Science Policy. Elsevier Sequoia, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.