APA

Aptekar D., . (2006). Hot and Cold. london: Ladybird Books.

Chicago

Aptekar Devan, . 2006. Hot and Cold. london: Ladybird Books.

Harvard

Aptekar D., . (2006). Hot and Cold. london: Ladybird Books.

MLA

Aptekar Devan, . Hot and Cold. london: Ladybird Books. 2006.