MELC EN8SS-Illg-1.6.4: Use convention in citing sources. Directions: Examine the bibliographical entries below. Write T if the statement is true and F if it is false. Write your answer on the space provided. 11. The American Psychological Association or APA is considered as one of the largely used referencing style in terms of research and other academic endeavors. 12. In a book reference, last name of the author comes first followed by a comma then the initials. There is no period after initials. 13. In a book reference, the year of publication should be placed inside a box with a period. 14. If there are 20 authors, include all the authors in the citation. 15. In a book reference, the title of the book is written in bold.​