APA

(2000). Manual de medicina das viagens 2000. Loulé: Travel Medicine Publishers.

Chicago

2000. Manual de medicina das viagens 2000. Loulé: Travel Medicine Publishers.

Harvard

(2000). Manual de medicina das viagens 2000. Loulé: Travel Medicine Publishers.

MLA

Manual de medicina das viagens 2000. Loulé: Travel Medicine Publishers. 2000.