APA (7th ed.) Citation

(1991). Maria: Marktanalyse ; Informationssysteme. Gruner + Jahr.

Chicago Style (17th ed.) Citation

Maria: Marktanalyse ; Informationssysteme. Hamburg: Gruner + Jahr, 1991.

MLA (9th ed.) Citation

Maria: Marktanalyse ; Informationssysteme. Gruner + Jahr, 1991.

Warning: These citations may not always be 100% accurate.