Howard, S. (1924). General volume table for chir (Pinus Longifolia): Classified by diameter (and girth) and height. Government of India.
Cita Chicago (17th ed.)Howard, S.H. General Volume Table for Chir (Pinus Longifolia): Classified by Diameter (and Girth) and Height. Calcutta: Government of India, 1924.
Cita MLA (9th ed.)Howard, S.H. General Volume Table for Chir (Pinus Longifolia): Classified by Diameter (and Girth) and Height. Government of India, 1924.
Atenció: Aquestes cites poden no estar 100% correctes.