APA

Varsegi A., Van Nostrand Reinhold Company, . (1988). Practical business systems implementation. New York: Van Nostrand Reinhold.

Chicago

Varsegi Alex, Van Nostrand Reinhold Company, . 1988. Practical business systems implementation. New York: Van Nostrand Reinhold.

Harvard

Varsegi A., Van Nostrand Reinhold Company, . (1988). Practical business systems implementation. New York: Van Nostrand Reinhold.

MLA

Varsegi Alex, Van Nostrand Reinhold Company, . Practical business systems implementation. New York: Van Nostrand Reinhold. 1988.