Armitage, F., Burley, J., Browne, F., Gibson, I., Guldager, P., Styles, B., . . . Worrall, J. (1980). Pinus kesiya Royle ex Gordon syn. P. khasya Royle; P. insularis Endlicher). Commenwealth Forestry Institute, University of Oxford.

Armitage, F., J. Burley, F. Browne, I. Gibson, P. Guldager, B. Styles, J. Turnbull, P. Wood, and J. Worrall. Pinus Kesiya Royle Ex Gordon Syn. P. Khasya Royle; P. Insularis Endlicher). Commenwealth Forestry Institute, University of Oxford, 1980.

Armitage, F., et al. Pinus Kesiya Royle Ex Gordon Syn. P. Khasya Royle; P. Insularis Endlicher). Commenwealth Forestry Institute, University of Oxford, 1980.