http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách cung cấp những thông tin liên quan đến người cao tuổi: tâm sinh lý, sức khoẻ, những biện pháp nâng cao sức khoẻ và tuổi thọ
Phạm Minh Thảo, Bùi Xuân Mỹ sưu tầm, tuyển dịch và biên soạn