Collard, S. B., & Yardley, J. (2003). B is for Big Sky country: A Montana alphabet. Sleeping Bear Press.
Cita Chicago Style (17a ed.)Collard, Sneed B., y Joanna Yardley. B Is for Big Sky Country: A Montana Alphabet. Chelsea, MI: Sleeping Bear Press, 2003.
Cita MLA (8a ed.)Collard, Sneed B., y Joanna Yardley. B Is for Big Sky Country: A Montana Alphabet. Sleeping Bear Press, 2003.
Precaución: Estas citas no son 100% exactas.