APA ציטוט

Campbell, R. M. (1971). Studies on the distribution and productivity of submerged fresh-water macrophytes.

Chicago Style (17th ed.) Citation

Campbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.

ציטוט MLA

Campbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.