(2021). Diplomatic Bluebook 2021: Japanese Diplomacy and International Situation in 2020. Ministry of Foreign Affairs.
Чикаго маягийн жагсаалтDiplomatic Bluebook 2021: Japanese Diplomacy and International Situation in 2020. Japan: Ministry of Foreign Affairs, 2021.
MLA ишлэлDiplomatic Bluebook 2021: Japanese Diplomacy and International Situation in 2020. Ministry of Foreign Affairs, 2021.
Warning: These citations may not always be 100% accurate.