Columbia subject headings:
Foreign trade regulation--Mexico--Periodicals.
Mexico--Commerce--Periodicals.
Mexico--Commercial policy--Periodicals.
Harvard subject headings:
Foreign trade regulation--Mexico--Periodicals.
Mexico--Commerce--Periodicals.
Mexico--Commercial policy--Periodicals.
Princeton subject headings:
Foreign trade regulation--Mexico--Periodicals.
Mexico--Commerce--Periodicals.
Mexico--Commercial policy--Periodicals.
Periodicals.