Cita APA (7th ed.)
(2013). Properties of concrete (5th ed.). Pearson Education Limited.
Cita Chicago (17th ed.)
Properties of Concrete. 5th ed. India: Pearson Education Limited, 2013.
Cita MLA (9th ed.)
Properties of Concrete. 5th ed. Pearson Education Limited, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.