APA

Weisbecker H., Research and Education Association, . (19831974). The Calculus problem solver. New York: The Assocation.

Chicago

Weisbecker Henry, Research and Education Association, . 19831974. The Calculus problem solver. New York: The Assocation.

Harvard

Weisbecker H., Research and Education Association, . (19831974). The Calculus problem solver. New York: The Assocation.

MLA

Weisbecker Henry, Research and Education Association, . The Calculus problem solver. New York: The Assocation. 19831974.