Moyle, J. B., & Moyle, E. W. (2001). Northland wildflowers: The comprehensive guide to the Minnesota region (Rev. ed.). University of Minnesota Press.
Cita Chicago (17th ed.)Moyle, John B., i Evelyn W. Moyle. Northland Wildflowers: The Comprehensive Guide to the Minnesota Region. Rev. ed. Minneapolis: University of Minnesota Press, 2001.
Cita MLA (9th ed.)Moyle, John B., i Evelyn W. Moyle. Northland Wildflowers: The Comprehensive Guide to the Minnesota Region. Rev. ed. University of Minnesota Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.