http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách tập hợp một số công trình nghiên cứu văn hóa - lịch sử của tác giả về Thăng Long - Hà Nội.
Description and travel,Mô tả và du hành