@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix schema:	<http://schema.org/> .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
schema:BookFormatType	rdf:type	rdfs:Class ;
	rdfs:subClassOf	schema:Enumeration ;
	rdfs:label	"BookFormatType" ;
	rdfs:comment	"The publication format of the book." .