Παραπομπή σε μορφή APA (7η εκδ.)

Seatrade Compania Maritime S.A. Solas and Marpol seafarers review questions for tankers and cargo ships. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Seatrade Compania Maritime S.A. Solas and Marpol Seafarers Review Questions for Tankers and Cargo Ships. [s.l.]: [s.n.].

Παραπομπή σε μορφή MLA (9th εκδ.)

Seatrade Compania Maritime S.A. Solas and Marpol Seafarers Review Questions for Tankers and Cargo Ships. [s.n.].