Rymer, H., Morales, L. D., & Brown, G. C. (1987). Microgravity monitoring at Poás volcano 1983-1986, Costa Rica.
Chicago Style aipamenaRymer, H., L. D. Morales, y G. C. Brown. Microgravity Monitoring At Poás Volcano 1983-1986, Costa Rica. 1987.
MLA aipamenaRymer, H., L. D. Morales, y G. C. Brown. Microgravity Monitoring At Poás Volcano 1983-1986, Costa Rica. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.