APA (7th ed.) Citation

Pingel, F. (1999). UNESCO guidebook: On textbook research and textbook revision. Hahn.

Chicago Style (17th ed.) Citation

Pingel, Falk. UNESCO Guidebook: On Textbook Research and Textbook Revision. Hannover: Hahn, 1999.

MLA (8th ed.) Citation

Pingel, Falk. UNESCO Guidebook: On Textbook Research and Textbook Revision. Hahn, 1999.

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