APA-čujuhus (7. p.)
PETRY, N. (2000). A COMPREHENSIVE GUIDE TO THE APPLICATION OF CONTINGENCY MANAGEMENT PROCEDURES IN CLINICAL SETTINGS.
Chicago-čujuhus (17. p.)
PETRY, N.M. A COMPREHENSIVE GUIDE TO THE APPLICATION OF CONTINGENCY MANAGEMENT PROCEDURES IN CLINICAL SETTINGS. 2000.
MLA-čujuhus (9. p.)
PETRY, N.M. A COMPREHENSIVE GUIDE TO THE APPLICATION OF CONTINGENCY MANAGEMENT PROCEDURES IN CLINICAL SETTINGS. 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.