Citazione Stile APA (7a Edizione)
Allardyce, A., & Lethéve, J. (1978). Letters for the international exchange of publications: <a> guide to their composition in English, French, German, Russiona and Spanish. Saur.
Citazione stile Chigago Style (17a edizione)
Allardyce, Alex, e Jaques Lethéve. Letters for the International Exchange of Publications: <a> Guide to Their Composition in English, French, German, Russiona and Spanish. München: Saur, 1978.
Citatione MLA (9a ed.)
Allardyce, Alex, e Jaques Lethéve. Letters for the International Exchange of Publications: <a> Guide to Their Composition in English, French, German, Russiona and Spanish. Saur, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.