Gifford, Clive.

Tractors / Clive Gifford. -- - St. Catharines, ON : Crabtree Pub., 2013, c2012. - 24 p. : col. ill. -- - Machines at work .

Originally published: London : Wayland, 2012.

Includes bibliographical references (p. 24), Internet addresses and index.

"Guided reading: M"--P. [4] of cover.

ISBN: 0778710017 (lib. bdg.) 9780778710011 (lib. bdg.)

Nat. Bib. Agency Control No.: 20129074136

Subjects--Topical Terms:
Tractors

Dewey Class. No.: 629.225/2