This card outlines the essential changes to the Modern Language Associations documentation style as described in the recently published 2016 MLA HANDBOOK, Eighth Edition.USING MLA STYLE. 1. PARENTHETICAL REFERENCES. 2. WORKS-CITED LIST. Print Sources: Entries for Articles. Print Sources: Entries for Books. Electronic Sources: Entries for Sources from Internet Sites. Electronic Sources: Entries for Sources from Online Databases. Additional Common Sources.