Pachart Foundation. (1983). Philosophy in Science. Pachart Publishing House.
Citação do estilo Chicago (17ª ed.)Pachart Foundation. Philosophy in Science. Tucson, Ariz: Pachart Publishing House, 1983.
Citação MLA (8ª ed.)Pachart Foundation. Philosophy in Science. Pachart Publishing House, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.