Saunier, R. (1973). Glossary of enviromental terms: Spanish-english english-spanish. Action-Peace Corps.
Citazione stile Chigago Style (17a edizione)Saunier, Richard. Glossary of Enviromental Terms: Spanish-english English-spanish. Washington, D.C: Action-Peace Corps, 1973.
Citatione MLA (9a ed.)Saunier, Richard. Glossary of Enviromental Terms: Spanish-english English-spanish. Action-Peace Corps, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.