Gaya APA

Highfield, Roger. (2002). The science of Harry Potter: how magic really works (cet.1). United States of America: Penguin Publishing Group.

Gaya Chicago

Highfield, Roger. The science of Harry Potter: how magic really works. cet.1 United States of America: Penguin Publishing Group, 2002. Text.

Gaya MLA

Highfield, Roger. The science of Harry Potter: how magic really works. cet.1 United States of America: Penguin Publishing Group, 2002. Text.

Gaya Turabian

Highfield, Roger. The science of Harry Potter: how magic really works. cet.1 United States of America: Penguin Publishing Group, 2002. Print.