Παραπομπή APA

Kreuzer, R. (1971). Fish inspection and quality control. Fishing news.

Παραπομπή Chicago Style

Kreuzer, Rudolf. Fish Inspection and Quality Control. London: Fishing news, 1971.

Παραπομπή MLA

Kreuzer, Rudolf. Fish Inspection and Quality Control. Fishing news, 1971.