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.
Most boards measure 84 to 150 centimetres (33 to 59 in) in length while widths vary from 22.8 to 25.4 centimetres (9.0 to 10.0 in). There are several longboard shapes, such as pintails, swallowtails, flat-nose riders, drop-through decks, drop decks and boards with the same shape as a standard skateboard.
Types Of Surfboards. Surfboards come in all shapes and sizes, some even come with a bit of surprises. But for the most part, surfboards fall into one of a few major categories. These groups distinguish the types of surfboards by their basic shape and how they are best ridden. The most common types of surfboards today include the: shortboard, longboard, funboard, fish, gun and hybrid.