APA (7th ed.) Citation

(2015). SNC (6.ª ed.). Porto Editora.

Chicago Style (17th ed.) Citation

SNC. 6.ª ed. Porto Editora, 2015.

MLA (8th ed.) Citation

SNC. 6.ª ed. Porto Editora, 2015.

Warning: These citations may not always be 100% accurate.