Sharp Paul Au. Diplomacy in the 21st century brief introduction - London Routledge UK 2019 - 139p. cm. ISBN: 9781138554665 (pbk) UKP 29.99 Standard No.: 353,285 Source: 1755, 19/12/2019, Bright Book Service Textual Subjects--Topical Terms: INTERNATIONAL RELATIONS Dewey Class. No.: V1:19.P1, Q9