Cita APA (7th ed.)

MacIntyre, P., & Bohlke, D. (2020). Reading explorer: 4 (student book) (Third edition.). National Geographic Learning.

Cita Chicago (17th ed.)

MacIntyre, Paul, i David Bohlke. Reading Explorer: 4 (student Book). Third edition. Boston: National Geographic Learning, 2020.

Cita MLA (9th ed.)

MacIntyre, Paul, i David Bohlke. Reading Explorer: 4 (student Book). Third edition. National Geographic Learning, 2020.