APA aipamena

Morris ( 1923-2001), & Goscinny, R. (. 1. (1980). Billy the Kid: = (Billy the kid). Barcelona: Grijalbo-Dargaud.

Chicago estiloko aipamena

Morris ( 1923-2001), and René ( 1926-1977) Goscinny. Billy the Kid: = (Billy the Kid). Barcelona: Grijalbo-Dargaud, 1980.

MLA aipamena

Morris ( 1923-2001), and René ( 1926-1977) Goscinny. Billy the Kid: = (Billy the Kid). Barcelona: Grijalbo-Dargaud, 1980.