Clark, J. M. (1953). Collins gem german-english, english-german dictionary. Collins Clear-Type Press.
Citazione stile Chigago Style (17a edizione)Clark, J. M. Collins Gem German-english, English-german Dictionary. London: Collins Clear-Type Press, 1953.
Citatione MLA (9a ed.)Clark, J. M. Collins Gem German-english, English-german Dictionary. Collins Clear-Type Press, 1953.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.