United Nations Food and Agriculture Organization. (1980). Echo sounding and sonar for fishing. Fishing News [for the Food and Agriculture Organization].
Chicago Style aipamenaUnited Nations Food and Agriculture Organization. Echo Sounding and Sonar for Fishing. Farnham: Fishing News [for the Food and Agriculture Organization], 1980.
MLA aipamenaUnited Nations Food and Agriculture Organization. Echo Sounding and Sonar for Fishing. Fishing News [for the Food and Agriculture Organization], 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.