APA

Canavarro (A) & Others, . (1980). Portuguese Phrase Book. : .

Chicago

Canavarro (A) & Others, . 1980. Portuguese Phrase Book. : .

Harvard

Canavarro (A) & Others, . (1980). Portuguese Phrase Book. : .

MLA

Canavarro (A) & Others, . Portuguese Phrase Book. : . 1980.