APA استشهاد

Down. C.G & Stocks. J. (1977). Environmental Impact of Mining. Applied Science Publishers.

استشهاد بنمط شيكاغو

Down. C.G و Stocks. J. Environmental Impact of Mining. London: Applied Science Publishers, 1977.

MLA استشهاد

Down. C.G و Stocks. J. Environmental Impact of Mining. Applied Science Publishers, 1977.