Παραπομπή σε μορφή APA (7η εκδ.)

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..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gray, 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.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gray, 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.

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