ISBN number is the best if you have it Mediawiki has magic so that if you just say ISBN 012345689 with the correct nubmer of digits I think either 9 or 12 depending it creates a link to a generic non vendor specific page where interested readers can pursue the matter further See Wikipedia ISBN To find ISBN s A search via Google on the title and ISBN usually although not always works ISBN linking This is powertools ISBN 978 1 931836 76 0 and this is Virtual ISBN 978 1 886411 94 4 gives This is powertools ISBN 978 1 931836 76 0 and this is Virtual ISBN 978 1 886411 94 4 Hope that helps