APA استشهاد

(1990). Proceedings earth and planetary sciences, 1990, Vol.99, No.01-04.

استشهاد بنمط شيكاغو

Proceedings Earth and Planetary Sciences, 1990, Vol.99, No.01-04. Indian Academy of Science, Bangalore, 1990.

MLA استشهاد

Proceedings Earth and Planetary Sciences, 1990, Vol.99, No.01-04. 1990.