Παραπομπή σε μορφή APA (7η εκδ.)

Ong, S. (1978). A study of the variation in some structural features and some wood properties of Pinus caribaea.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ong, S. A Study of the Variation in Some Structural Features and Some Wood Properties of Pinus Caribaea. 1978.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ong, S. A Study of the Variation in Some Structural Features and Some Wood Properties of Pinus Caribaea. 1978.