APA citiranje

Boschman, J. S., van der Molen, H. F., van Duivenbooden, C., Sluiter, J. K., & Frings-Dresen, M. H. (2011). A trial of a job-specific workers' health surveillance program for construction workers: Study protocol. BioMed Central.

Citação norma Chicago

Boschman, Julitta S., Henk F. van der Molen, Cor van Duivenbooden, Judith K. Sluiter, and Monique HW Frings-Dresen. A Trial of a Job-specific Workers' Health Surveillance Program for Construction Workers: Study Protocol. BioMed Central, 2011.

MLA citiranje

Boschman, Julitta S., et al. A Trial of a Job-specific Workers' Health Surveillance Program for Construction Workers: Study Protocol. BioMed Central, 2011.