Παραπομπή σε μορφή APA (7η εκδ.)

Li, X., Giardini, D., & Woodhouse, J. (1991). LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Li, X., D. Giardini, και J. Woodhouse. LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES. 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Li, X., et al. LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES. 1991.