Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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