Analysis of information sources in references of the Wikipedia article "Serial comma" in English language version.
In a series of three or more terms with a single conjunction, use a comma after each term except the last.
Note that there is no comma between the penultimate item in a list and 'and'/'or', unless required to prevent ambiguity – this is sometimes referred to as the 'Oxford comma'.
The comma is used ... after each member within a series of three or more words, phrases, letters, or figures used with and, or, or nor.
It's just a matter of STYLE, and in this case, newspaper or literary (book) style. . . . Choose one style or the other the authorities say, but be consistent. Most writers recommend the literary style in college writing to avoid possible confusion . . .
Note that there is no comma between the penultimate item in a list and 'and'/'or', unless required to prevent ambiguity – this is sometimes referred to as the 'Oxford comma'.
b) Miembros coordinados mediante conjunciones simples. Cuando el último elemento de una coordinación va introducido por las conjunciones y, e, ni, o, u, no se escribe coma delante de ellas: [...]
It's just a matter of STYLE, and in this case, newspaper or literary (book) style. . . . Choose one style or the other the authorities say, but be consistent. Most writers recommend the literary style in college writing to avoid possible confusion . . .
The comma is used ... after each member within a series of three or more words, phrases, letters, or figures used with and, or, or nor.
