"Recommended Uses of Apple Varieties", in Tim Burford, Apples of North America: Exceptional Varieties for Gardeners, Growers, and Cooks, 2013, ISBN1604692499, p. 278Arquivado em 2023-01-01 no Wayback Machine
Mackell, S (1 dezembro 2005). «Traveler's diarrhea in the pediatric population: etiology and impact». Clinical Infectious Diseases. 41 (Supplement 8): S547-52. PMID16267717. doi:10.1086/432950
Mackell, S (1 dezembro 2005). «Traveler's diarrhea in the pediatric population: etiology and impact». Clinical Infectious Diseases. 41 (Supplement 8): S547-52. PMID16267717. doi:10.1086/432950
"Recommended Uses of Apple Varieties", in Tim Burford, Apples of North America: Exceptional Varieties for Gardeners, Growers, and Cooks, 2013, ISBN1604692499, p. 278Arquivado em 2023-01-01 no Wayback Machine