APA
Ould M., Guedes M. L., . (2001). Energy and environment. Tokyo: Springer.
Chicago
Ould Martyn, Guedes Manuela Lourenço, . 2001. Energy and environment. Tokyo: Springer.
Harvard
Ould M., Guedes M. L., . (2001). Energy and environment. Tokyo: Springer.
MLA
Ould Martyn, Guedes Manuela Lourenço, . Energy and environment. Tokyo: Springer. 2001.