Paul, D. K. (1972). Pilot plantations of quick-growing industrial tree species, Malaysia: A handbook of nursery practice for Pinus caribaea var. hondurensis and other conifers in West Malaysia. United Nations Development Programme, Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Paul, D. K. Pilot Plantations of Quick-growing Industrial Tree Species, Malaysia: A Handbook of Nursery Practice for Pinus Caribaea Var. Hondurensis and Other Conifers in West Malaysia. Kuala Lumpur: United Nations Development Programme, Food and Agriculture Organization of the United Nations, 1972.
Lua MLA (8ú heag.)Paul, D. K. Pilot Plantations of Quick-growing Industrial Tree Species, Malaysia: A Handbook of Nursery Practice for Pinus Caribaea Var. Hondurensis and Other Conifers in West Malaysia. United Nations Development Programme, Food and Agriculture Organization of the United Nations, 1972.