Não informado. (1938). New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research.
Citação do estilo Chicago (17ª ed.)Não informado. New Zealand Journal of Science and Technology. Wellington: Department of Scientific and Industrial Research, 1938.
Citação MLA (8ª ed.)Não informado. New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.