APA

Gotlop P., . (19741973). Van Nostrand Reinhold manual of professional photography. New York: Van Nostrand Reinhold.

Chicago

Gotlop Philip, . 19741973. Van Nostrand Reinhold manual of professional photography. New York: Van Nostrand Reinhold.

Harvard

Gotlop P., . (19741973). Van Nostrand Reinhold manual of professional photography. New York: Van Nostrand Reinhold.

MLA

Gotlop Philip, . Van Nostrand Reinhold manual of professional photography. New York: Van Nostrand Reinhold. 19741973.