@book{33354,
	author = {Sobrevilla Alcázar, David, 1938-},
	title = {Etica etnocéntrica y ética universal},
	url = {https://books.google.com.ec/books?id=-VgtawalFZYC&pg=PT63&lpg=PT63&dq=Etica+etnoc%C3%A9ntrica+y+%C3%A9tica+universal&source=bl&ots=pXMWRVVoDe&sig=rv3lj3BHNzsBxM67wNvHnqw9AVM&hl=es&sa=X&ved=0ahUKEwj84oDl1MDJAhWD5yYKHdg2D0oQ6AEIIjAB#v=onepage&q=Etica%20etnoc%C3%A9ntrica%20y%20%C3%A9tica%20universal&f=false}
}