APA (7th ed.) Citation

Gibbons, B. (2007). Comunicar com êxito. Porto Editora.

Chicago Style (17th ed.) Citation

Gibbons, Barry. Comunicar Com êxito. Porto Editora, 2007.

MLA (8th ed.) Citation

Gibbons, Barry. Comunicar Com êxito. Porto Editora, 2007.

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