APA-ийн эшлэл(7 дахь хэвлэлт)
Sotheby's. Sotheby's: London, Monday 12th, Tuesday 13th, and Tuesday 27th January 1987 : Printed Books, Atlases, Maps, Manuscripts and Music. Sotheby's.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Sotheby's. Sotheby's: London, Monday 12th, Tuesday 13th, and Tuesday 27th January 1987 : Printed Books, Atlases, Maps, Manuscripts and Music. Londres, Inglaterra: Sotheby's.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Sotheby's. Sotheby's: London, Monday 12th, Tuesday 13th, and Tuesday 27th January 1987 : Printed Books, Atlases, Maps, Manuscripts and Music. Sotheby's.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.