Citazione Stile APA (7a Edizione)

Clifton, M., & Bustamante, C. Manual of conversation with models of letters for the use of travellers and students, English-Spanish with the pronunciation.

Citazione stile Chigago Style (17a edizione)

Clifton, M., e C. Bustamante. Manual of Conversation with Models of Letters for the Use of Travellers and Students, English-Spanish with the Pronunciation.

Citatione MLA (8a ed.)

Clifton, M., e C. Bustamante. Manual of Conversation with Models of Letters for the Use of Travellers and Students, English-Spanish with the Pronunciation.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.