Rydlewska, J., Braid, B., & Bacon, S. (2013). Unity in diversity. Cambridge Scholars Publishing.
Cita Chicago (17th ed.)Rydlewska, Julitta, Barbara Braid, i Simon Bacon. Unity in Diversity. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2013.
Cita MLA (9th ed.)Rydlewska, Julitta, et al. Unity in Diversity. Cambridge Scholars Publishing, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.