APA (7. basım) Alıntı

(1990). Philippine exports to 30 major markets. s.n.

Chicago Style (17. basım) Atıf

Philippine Exports to 30 Major Markets. [s.l: s.n, 1990.

MLA (9th ed.) Atıf

Philippine Exports to 30 Major Markets. s.n, 1990.