APA

Cretegny G., . (2001). Families. london: longman books.

Chicago

Cretegny Georgina, . 2001. Families. london: longman books.

Harvard

Cretegny G., . (2001). Families. london: longman books.

MLA

Cretegny Georgina, . Families. london: longman books. 2001.