Cita APA (7a ed.)
Sullivan, J., & LeBoutillier, K. National Geographic Vietnam. National Geographic Society ; RBA.
Cita estilo Chicago (17a ed.)
Sullivan, James, y Kris LeBoutillier. National Geographic Vietnam. Washington, EUA : Madrid, España: National Geographic Society ; RBA.
Cita MLA (9a ed.)
Sullivan, James, y Kris LeBoutillier. National Geographic Vietnam. National Geographic Society ; RBA.
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