Portugal roman

MLA

Graf, Gerhard N, et al. Portugal Roman. La Pierre-qui-Vire: Zodiaque, 1986.

APA

Graf, G. N, Mattoso, J., Real, M. Luis, Schecher, G., & Ollivier, J. (1986). Portugal roman. La Pierre-qui-Vire: Zodiaque.

Chicago

Graf, Gerhard N., José Mattoso, and Manuel Luis Real. Portugal Roman. Translated by G Schecher and Jean-Marcel Ollivier. La Pierre-qui-Vire: Zodiaque, 1986.