Gaya APA

Rowling, J. (). the Unofficial ultimate harry potter spellbook: mugglenet's complete guide to every spell in the realm of wizards & witches . China: Topix Media Lab.

Gaya MLA

Rowling, J.K.. "the Unofficial ultimate harry potter spellbook: mugglenet's complete guide to every spell in the realm of wizards & witches". China: Topix Media Lab, . Text.