Παραπομπή σε μορφή APA (7η εκδ.)

Hernández Elizondo, R. (2018). Foreign businessmen, commerce and petroleum in Tampico and the Huasteca (1890-1930). Libros UAT.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hernández Elizondo, Roberto. Foreign Businessmen, Commerce and Petroleum in Tampico and the Huasteca (1890-1930). Libros UAT, 2018.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hernández Elizondo, Roberto. Foreign Businessmen, Commerce and Petroleum in Tampico and the Huasteca (1890-1930). Libros UAT, 2018.