Kosiński, J. N. (1969). Steps. Bantam books.
Cita Chicago (17th ed.)Kosiński, Jerzy N. Steps. London ; New York (NY) ; Toronto: Bantam books, 1969.
Cita MLA (8th ed.)Kosiński, Jerzy N. Steps. Bantam books, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.