Hartmann, H. T., Kester, D. E., Davies, F. T., & Geneve, R. L. (2007). Plant propagation: Principles and practices (7th ed.). Prentice Hall of India Pvt. Ltd.

Hartmann, Hudson Thomas, Dale E. Kester, Fred T. Davies, and Robert L. Geneve. Plant Propagation: Principles and Practices. 7th ed. New Delhi, India: Prentice Hall of India Pvt. Ltd, 2007.

Hartmann, Hudson Thomas, et al. Plant Propagation: Principles and Practices. 7th ed. Prentice Hall of India Pvt. Ltd, 2007.