Marshall, Bill. Bukom. - London : Longman, c1979. - 118 p. ; 18 cm. - Longman drumbeat . ISBN: 058264223X LCCN: 79313537 Nat. Bib. No.: GB*** LC Class. No.: PZ4.M366888 PR9379.9.M3 PR9379 PR9379 / Bu / .M3 / .M3 Dewey Class. No.: 823