APA (7 ম সংস্করণ) উদ্ধৃতি

Walliams, D., & Ross, i. T. (2017). As piores crianças do mundo 1. Porto Editora.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Walliams, David, এবং il. Tony Ross. As Piores Crianças Do Mundo 1. Porto Editora, 2017.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Walliams, David, এবং il. Tony Ross. As Piores Crianças Do Mundo 1. Porto Editora, 2017.