APA

Robbins A. M. J., Hughes C., . (1983). Provenance Regions for Pinus caribaea Morelet and Pinus oocarpa Schiede within the Republic onf Honduras, C.A. : a preliminary delineaton. Oxford: Unit of Tropical Silviculture. Commonweallth Forestry Institute. University of Oxford.

Chicago

Robbins A M J, Hughes C.e, . 1983. Provenance Regions for Pinus caribaea Morelet and Pinus oocarpa Schiede within the Republic onf Honduras, C.A. : a preliminary delineaton. Oxford: Unit of Tropical Silviculture. Commonweallth Forestry Institute. University of Oxford.

Harvard

Robbins A. M. J., Hughes C., . (1983). Provenance Regions for Pinus caribaea Morelet and Pinus oocarpa Schiede within the Republic onf Honduras, C.A. : a preliminary delineaton. Oxford: Unit of Tropical Silviculture. Commonweallth Forestry Institute. University of Oxford.

MLA

Robbins A M J, Hughes C.e, . Provenance Regions for Pinus caribaea Morelet and Pinus oocarpa Schiede within the Republic onf Honduras, C.A. : a preliminary delineaton. Oxford: Unit of Tropical Silviculture. Commonweallth Forestry Institute. University of Oxford. 1983.