I need help with correctly punctuating this sentence. I am not sure where the period goes. Should it be inside or outside the parenthesis in this sentence? The textbook had recently been revised. (The last revision took place in 1992). Thank you
This site will give you examples.
http://www.iolani.honolulu.hi.us/Keables/KeablesGuide/PartFour/TitlesEndPunctDashesParen.htm#paren1