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.
The combination of columns and arches produces a. material far far stronger than the paperboard of. which it is made.Yet,the sheet of corrugated paper-. board can easily be cut to almost any shape,and. creased or scored for folding in almost any direction. Flute. Linerboard. Corrugated board.