Two or More Works by the Same Author in the Same Year: If you have two sources by the same author in the same year, use lower-case letters (a, b, c) with the year to order the entries in the reference list. Use the lower-case letters with the year in the in-text citation.
The next type of board is the longboard or malibu (mal). The main difference in design is that the nose of the longboard is rounded. Other than that there is no real difference, though shortboards tend to have three fins and longboards tend to have a single fin.
CARVING AND CRUISING. When most people think of longboards, these are usually the first that come to mind. The classic pintail shape was made popular by Sector 9 in the early 90's and is still one of the most common shapes seen on streets, sidewalks, and boardwalks today.