APA

Huffman H., Fiber L. R., . (1978). Principles of business mathematics using the electronic calculator. New York: Gregg Division/McGraw-Hill.

Chicago

Huffman Harry, Fiber Larry Roy, . 1978. Principles of business mathematics using the electronic calculator. New York: Gregg Division/McGraw-Hill.

Harvard

Huffman H., Fiber L. R., . (1978). Principles of business mathematics using the electronic calculator. New York: Gregg Division/McGraw-Hill.

MLA

Huffman Harry, Fiber Larry Roy, . Principles of business mathematics using the electronic calculator. New York: Gregg Division/McGraw-Hill. 1978.