Παραπομπή σε μορφή APA (7η εκδ.)

Geography Education Standards Project. (1994). Geography for life: National geography standards 1994. National Geography Research and Exploration.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Geography Education Standards Project. Geography for Life: National Geography Standards 1994. Washington, D. C.: National Geography Research and Exploration, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Geography Education Standards Project. Geography for Life: National Geography Standards 1994. National Geography Research and Exploration, 1994.