Tohutoro APA (7th ed.)

(1991). Bulktrans 91: Conference proceedings. Cargo Systems International.

Tohutoru Kātū Chicago (17th ed.)

Bulktrans 91: Conference Proceedings. Surrey: Cargo Systems International, 1991.

Tohutoro MLA (9th ed.)

Bulktrans 91: Conference Proceedings. Cargo Systems International, 1991.