Howard, S. (1924). General volume table for chir (Pinus Longifolia): Classified by diameter (and girth) and height. Government of India.
Chicago-viite (17. p.)Howard, S.H. General Volume Table for Chir (Pinus Longifolia): Classified by Diameter (and Girth) and Height. Calcutta: Government of India, 1924.
MLA-viite (9. p.)Howard, S.H. General Volume Table for Chir (Pinus Longifolia): Classified by Diameter (and Girth) and Height. Government of India, 1924.
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