APA ציטוט

Cushing, D. . H. Uses of echo sounding for fishermen. Her Majesty stationery office.

Chicago Edition Citation

Cushing, D H. Uses of Echo Sounding for Fishermen. London: Her Majesty stationery office.

ציטוט MLA

Cushing, D H. Uses of Echo Sounding for Fishermen. Her Majesty stationery office.