Παραπομπή APA

(2010). Annual editions: Geography. Boston, MA: McGraw-Hill Higher Education.

Παραπομπή Chicago Style

Annual Editions: Geography. Boston, MA: McGraw-Hill Higher Education, 2010.

Παραπομπή MLA

Annual Editions: Geography. Boston, MA: McGraw-Hill Higher Education, 2010.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.