APA

froebel-kan, . (2006). animal families. tokyo: froebel-kan.

Chicago

froebel-kan, . 2006. animal families. tokyo: froebel-kan.

Harvard

froebel-kan, . (2006). animal families. tokyo: froebel-kan.

MLA

froebel-kan, . animal families. tokyo: froebel-kan. 2006.