Burford, T. (2013). Apples of North America: 192 exceptional varieties for gardeners, growers, and cooks. Timber Press.
Cita Chicago Style (17a ed.)Burford, Tom. Apples of North America: 192 Exceptional Varieties for Gardeners, Growers, and Cooks. Portland, Or.: Timber Press, 2013.
Cita MLA (8a ed.)Burford, Tom. Apples of North America: 192 Exceptional Varieties for Gardeners, Growers, and Cooks. Timber Press, 2013.
Precaución: Estas citas no son 100% exactas.