Salisbury, Harrison E.
Russia
Atheneum, 1965
 Buku Teks
Holman, Anne
A Shadow and a wish
Hawthorn, 1971
 Buku Teks
Green, Roger J.
The lengthening shadow
Oxford University Press, 1986
 Buku Teks
Architecture widhout shadow
Gloria Moure, editor ; Terence Riley, foreword
Poligrafa, 2000
 Buku Teks
Tax evasion and the shadow economy
edited by Michael Pickhardt and Aloys Prinz
Edward Elgar, 2012
 Buku Teks