@book{49104,
	author = {PIROGOV, G. and CHALAGUINA, I.},
	title = {QUE E O SISTEMA MUNDIAL DO SOCIALISMO?},
	publisher = {EDICOES PROGRESSO},
	year = {C1987},
	address = {MOSCOVO},
	edition = {1 ed.},
	note = {NOTAS DE RODAPE.},
	url = {https://www.santoandre.sp.gov.br/pesquisa/con_detalhe.asp?ID=61470&vHistoryNovo=sim}
}