"Botanica Marina", 23.1 (1980): 1-71. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/botm.1980.23.issue-1/issue-files/botm.1980.23.issue-1.xml

Botanica Marina (1980), 23(1), pp. 1-71. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/botm.1980.23.issue-1/issue-files/botm.1980.23.issue-1.xml

Botanica Marina. 1980. 23(1): 1-71. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/botm.1980.23.issue-1/issue-files/botm.1980.23.issue-1.xml