APA (7th ed.) Citation

(2005). Zappy 1 Teacher's Resource Kit. Porto Editora.

Chicago Style (17th ed.) Citation

Zappy 1 Teacher's Resource Kit. Porto Editora, 2005.

MLA (8th ed.) Citation

Zappy 1 Teacher's Resource Kit. Porto Editora, 2005.

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