Walters, M., Daniels, L. Animal Life. New York et al: Prentice Hall General Reference, 1991 160 p.:, цв. ил., кар. 0-13-681719-X.
Walters, M., Daniels, L. Animal Life. New York et al: Prentice Hall General Reference, 1991 160 p.:, цв. ил., кар. 0-13-681719-X.
Walters, M., Daniels, L. (1991) Animal Life, New York et al: Prentice Hall General Reference 160 p.:, цв. ил., кар. 0-13-681719-X.
Walters, M., & Daniels, L. (1991). Animal Life. A Prentice Hall Illustrated Dictionary. New York et al: Prentice Hall General Reference, 160 p.:, цв. ил., кар.
Walters M, Daniels L. Animal Life: A Prentice Hall Illustrated Dictionary. New York et al: Prentice Hall General Reference; 1991. p. 160 p.:, цв. ил., кар. ISBN: 0-13-681719-X.
