APA-čujuhus (7. p.)
ROMAN, P., & BLUM, T. (1993). DRUGS, THE WORKPLACE, AND EMPLOYEE-ORIENTED PROGRAMMING. EN: TREATING DRUG PROBLEMS, VOL. 2. INSTITUTE OF MEDICINE NATIONAL ACADEMY PRESS.
Chicago-čujuhus (17. p.)
ROMAN, P.M, juo T.C BLUM. DRUGS, THE WORKPLACE, AND EMPLOYEE-ORIENTED PROGRAMMING. EN: TREATING DRUG PROBLEMS, VOL. 2. WASHINGTON (USA): INSTITUTE OF MEDICINE NATIONAL ACADEMY PRESS, 1993.
MLA-čujuhus (9. p.)
ROMAN, P.M, juo T.C BLUM. DRUGS, THE WORKPLACE, AND EMPLOYEE-ORIENTED PROGRAMMING. EN: TREATING DRUG PROBLEMS, VOL. 2. INSTITUTE OF MEDICINE NATIONAL ACADEMY PRESS, 1993.
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