Journey into China : photoalbum / National Geographic Society ; ed. Kenneth C. Danforth ; photogr. Thomas Nebbia. - Washington : National Geographic Society, c.1982. - 518 p. : ill. ; 28 cm.см.. - ბიბლიოგრ. გვ. 514. - ISBN 0-87044-437-9; ISBN 0-87044-449-2 (deluxe)[MFN: 45993]