APA
Badders W., . (2003). Houghton Mifflin science discoveryworks teaching guide 3: matter, energy and forces. Boston: Houghton Mifflin.
Chicago
Badders William, . 2003. Houghton Mifflin science discoveryworks teaching guide 3: matter, energy and forces. Boston: Houghton Mifflin.
Harvard
Badders W., . (2003). Houghton Mifflin science discoveryworks teaching guide 3: matter, energy and forces. Boston: Houghton Mifflin.
MLA
Badders William, . Houghton Mifflin science discoveryworks teaching guide 3: matter, energy and forces. Boston: Houghton Mifflin. 2003.