APA (7e ed.) Bronvermelding

FIREFLY BOOKS. (2013). FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS.

Chicago (17e ed.) Bronvermelding

FIREFLY BOOKS. FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS, 2013.

MLA (9e ed.) Bronvermelding

FIREFLY BOOKS. FIREFLY ENVIRONMENTAL STUDIES AN ACTIVITY BASED BOOK- A. FIREFLY BOOKS, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.