एपीए उद्धरण

Wohlbier, R. H. (1986). Continuous ship unloading and self - unloading and vessels. Trans tech.

शिकागो स्टाइल उद्धरण

Wohlbier, Reinhard H. Continuous Ship Unloading and Self - Unloading and Vessels. Germany: Trans tech, 1986.

एमएलए उद्धरण

Wohlbier, Reinhard H. Continuous Ship Unloading and Self - Unloading and Vessels. Trans tech, 1986.