Não informado. (1924). American journal of optometry and archives of American Academy of Optometry. American Academy of Optometry.
Citação do estilo Chicago (17ª ed.)Não informado. American Journal of Optometry and Archives of American Academy of Optometry. Baltimore, Md: American Academy of Optometry, 1924.
Citação MLA (8ª ed.)Não informado. American Journal of Optometry and Archives of American Academy of Optometry. American Academy of Optometry, 1924.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.