Gaya APA

Mansfield, M., O'Sullivan, C. (2007). Understanding Physics . Chichester, West Sussex: John Wiley & Sons published in association with Praxis Publishing.

Gaya MLA

Mansfield, Michael., O'Sullivan, Colm. "Understanding Physics". Chichester, West Sussex: John Wiley & Sons published in association with Praxis Publishing, 2007. Text.