Gaya APA
Frè, P, G. (2012).
Gravity, a geometrical course ; Volume 1: development of the theory and basic physical applications .
Dordrecht, Netherland:
Springer Dordrecht.
Gaya MLA
Frè, Pietro, Giuseppe.
"Gravity, a geometrical course ; Volume 1: development of the theory and basic physical applications".
Dordrecht, Netherland:
Springer Dordrecht,
2012.
Electronic Resource.