APA

Costa Knufinke J., .Europe (a True Book. : CHILDRENS PR.

Chicago

Costa Knufinke Joana, .Europe (a True Book. : CHILDRENS PR.

Harvard

Costa Knufinke J., .Europe (a True Book. : CHILDRENS PR.

MLA

Costa Knufinke Joana, .: CHILDRENS PR. .