Hartmann, H. T., & Kester, D. E. (1975). Plant propagation; principles and practices (3d ed.). Englewood Cliffs, N.J.: Prentice-Hall.
Dyfyniad Arddull ChicagoHartmann, Hudson Thomas, và Dale E. Kester. Plant Propagation; Principles and Practices. 3d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1975.
Dyfyniad MLAHartmann, Hudson Thomas, và Dale E. Kester. Plant Propagation; Principles and Practices. 3d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.