APA استشهاد

Agraval, V. P., & Rana, S. V. S. (1990). Science development and environment. Society of biosciences.

استشهاد بنمط شيكاغو

Agraval, V. P., و S V S. Rana. Science Development and Environment. Muzafarnagar: Society of biosciences, 1990.

MLA استشهاد

Agraval, V. P., و S V S. Rana. Science Development and Environment. Society of biosciences, 1990.