Cicero and Plinio. (1937). Letters of Marcus Tullius Cicero with his treatises on friendship and old age. Letters of Gaius Plinius Caecilius Secundus. P. F. Collier & Son Corporation.
Chicago-čujuhus (17. p.)Cicero and Plinio. Letters of Marcus Tullius Cicero with His Treatises on Friendship and Old Age. Letters of Gaius Plinius Caecilius Secundus. New York, Estados Unidos: P. F. Collier & Son Corporation, 1937.
MLA-čujuhus (9. p.)Cicero and Plinio. Letters of Marcus Tullius Cicero with His Treatises on Friendship and Old Age. Letters of Gaius Plinius Caecilius Secundus. P. F. Collier & Son Corporation, 1937.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.