Cita APA

Perkins, D., Harris, M. F., Tan, J., Christl, B., Taggart, J., & Fanaian, M. (2008). Engaging participants in a complex intervention trial in Australian General Practice. BioMed Central.

Chicago Style Citation

Perkins, David, Mark F. Harris, Jocelyn Tan, Bettina Christl, Jane Taggart, i Mahnaz Fanaian. Engaging Participants in a Complex Intervention Trial in Australian General Practice. BioMed Central, 2008.

Cita MLA

Perkins, David, et al. Engaging Participants in a Complex Intervention Trial in Australian General Practice. BioMed Central, 2008.