Portalupi, S., von Elm, E., Schmucker, C., Lang, B., Motschall, E., Schwarzer, G., . . . Meerpohl, J. J. (2013). Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics. BioMed Central.
Styl cytowania ChicagoPortalupi, Susan, et al. Protocol for a Systematic Review On the Extent of Non-publication of Research Studies and Associated Study Characteristics. BioMed Central, 2013.
Styl cytowania MLAPortalupi, Susan, et al. Protocol for a Systematic Review On the Extent of Non-publication of Research Studies and Associated Study Characteristics. BioMed Central, 2013.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..