APA način citiranja (7. izdanje)
TENNANT, F., & SHANNON, J. COCAINE ABUSE IN METHADONE MAINTENANCE PATIENTS IS ASSOCIATED WITH LOW SERUM METHADONE CONCENTRATIONS.
Čikaški stil citiranja (17. izdanje)
TENNANT, F., i J. SHANNON. COCAINE ABUSE IN METHADONE MAINTENANCE PATIENTS IS ASSOCIATED WITH LOW SERUM METHADONE CONCENTRATIONS.
MLA način citiranja (9. izdanje)
TENNANT, F., i J. SHANNON. COCAINE ABUSE IN METHADONE MAINTENANCE PATIENTS IS ASSOCIATED WITH LOW SERUM METHADONE CONCENTRATIONS.
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