Gaya APA

Cole, G, H, A., Woolfson, M, M. (2013). Planetary Science: The Science of Planets Around Stars second edition (Second Edition). Boca Raton: CRC Press.

Gaya MLA

Cole, George, H., A.., Woolfson, Michael, M.. "Planetary Science: The Science of Planets Around Stars second edition". Second Edition Boca Raton: CRC Press, 2013. Text.