Cita APA (7th ed.)

Schirach-Szmigiel, C. v. (1979). Liner shipping and general cargo transport. EFI.

Cita Chicago (17th ed.)

Schirach-Szmigiel, Christopher von. Liner Shipping and General Cargo Transport. Estocolmo: EFI, 1979.

Cita MLA (9th ed.)

Schirach-Szmigiel, Christopher von. Liner Shipping and General Cargo Transport. EFI, 1979.