Gray, A. (1866). Manual of the botany of the northern United States: Including Virginia, Kentucky, and all east of the Mississippi; arranged according to the natural system. With garden botany, &c (4th rev. ed.). Iveson, Phinney, Blakeman, and Co..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGray, Asa. Manual of the Botany of the Northern United States: Including Virginia, Kentucky, and All East of the Mississippi; Arranged According to the Natural System. With Garden Botany, &c. 4th rev. ed. New York: Iveson, Phinney, Blakeman, and Co., 1866.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিGray, Asa. Manual of the Botany of the Northern United States: Including Virginia, Kentucky, and All East of the Mississippi; Arranged According to the Natural System. With Garden Botany, &c. 4th rev. ed. Iveson, Phinney, Blakeman, and Co., 1866.