Παραπομπή σε μορφή APA (7η εκδ.)

(1952). Distribution by compass direction of the long and short diameters and radii of shortleaf pine stumps.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Distribution by Compass Direction of the Long and Short Diameters and Radii of Shortleaf Pine Stumps. 1952.

Παραπομπή σε μορφή MLA (9th εκδ.)

Distribution by Compass Direction of the Long and Short Diameters and Radii of Shortleaf Pine Stumps. 1952.