APA-referens (7:e uppl.)

Perks, N., Johnson, R., Martin, C., Chapon, L., & Radaelli, P. (2012). Magneto-orbital helices as a route to coupling magnetism and ferroelectricity in multiferroic CaMn₇O₁₂. Springer Nature.

Chicago-referens (17:e uppl.)

Perks, N., R. Johnson, C. Martin, L. Chapon, och P. Radaelli. Magneto-orbital Helices as a Route to Coupling Magnetism and Ferroelectricity in Multiferroic CaMn₇O₁₂. Springer Nature, 2012.

MLA-referens (9:e uppl.)

Perks, N., et al. Magneto-orbital Helices as a Route to Coupling Magnetism and Ferroelectricity in Multiferroic CaMn₇O₁₂. Springer Nature, 2012.