APA način citiranja

Gmel, G. Case-crossover designs for alcohol use: The potential for more than one bias.

Čikaški stil citiranja

Gmel, Gerhard. Case-crossover Designs for Alcohol Use: The Potential for More Than One Bias.

MLA način citiranja

Gmel, Gerhard. Case-crossover Designs for Alcohol Use: The Potential for More Than One Bias.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.