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.
Mini longboards: The first type of longboard is the mini skateboard or mini longboard which are the same thing. The minis come in many different sizes from 20â to about 32â. There are about a hundred different mini types including old school, fishtail, pig, hammer head, classic 70s, and cruisers.