APA (7th ed.) Citation

H., Z., & A., Z. (1999). Grading of shade tree saplings in the commercial nurseries. The Research Unit, Universiti Putra Malaysia.

Chicago Style (17th ed.) Citation

H., Zakaria, and Zakaria A. Grading of Shade Tree Saplings in the Commercial Nurseries. The Research Unit, Universiti Putra Malaysia, 1999.

MLA (9th ed.) Citation

H., Zakaria, and Zakaria A. Grading of Shade Tree Saplings in the Commercial Nurseries. The Research Unit, Universiti Putra Malaysia, 1999.