Bergsma, D. (1972). Birth defects: Atlas and compendium. published for the National Foundation-March of Dimes by The Williams and Wilkins Company.
Cita Chicago Style (17a ed.)Bergsma, Daniel. Birth Defects: Atlas and Compendium. Baltimore: published for the National Foundation-March of Dimes by The Williams and Wilkins Company, 1972.
Cita MLA (9a ed.)Bergsma, Daniel. Birth Defects: Atlas and Compendium. published for the National Foundation-March of Dimes by The Williams and Wilkins Company, 1972.
Precaución: Estas citas no son 100% exactas.