Παραπομπή σε μορφή APA (7η εκδ.)

Landi, D., & Quituisaca, C. Quakers in their contribution to the world and the United States.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Landi, Daniela, και Carmen Quituisaca. Quakers in Their Contribution to the World and the United States.

Παραπομπή σε μορφή MLA (8th εκδ.)

Landi, Daniela, και Carmen Quituisaca. Quakers in Their Contribution to the World and the United States.