APA (7e ed.) Bronvermelding

Macdonald, G. R. (1944). Spanish-English and English-Spanish commercial dictionary, a comprehensive vocabulary of words and expressions current in the English and Spanish languages and more particularly of those used in commercial correspondence, as well as technical and engineering terms, etc. Sir I. Pitman & sons.

Chicago (17e ed.) Bronvermelding

Macdonald, George Robert. Spanish-English and English-Spanish Commercial Dictionary, a Comprehensive Vocabulary of Words and Expressions Current in the English and Spanish Languages and More Particularly of Those Used in Commercial Correspondence, as Well as Technical and Engineering Terms, Etc. London: Sir I. Pitman & sons, 1944.

MLA (9e ed.) Bronvermelding

Macdonald, George Robert. Spanish-English and English-Spanish Commercial Dictionary, a Comprehensive Vocabulary of Words and Expressions Current in the English and Spanish Languages and More Particularly of Those Used in Commercial Correspondence, as Well as Technical and Engineering Terms, Etc. Sir I. Pitman & sons, 1944.