Royal Society Discussion Meeting on Planetary Exploration (1980 : London). (1981). Planetary exploration: A Royal Society discussion arranged by the British National Committee on Space Research under the leadership of Harrie Massey ...[et al.]. held on 4 and 5 November 1980. The Society.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoyal Society Discussion Meeting on Planetary Exploration (1980 : London). Planetary Exploration: A Royal Society Discussion Arranged by the British National Committee on Space Research Under the Leadership of Harrie Massey ...[et Al.]. Held on 4 and 5 November 1980. London: The Society, 1981.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRoyal Society Discussion Meeting on Planetary Exploration (1980 : London). Planetary Exploration: A Royal Society Discussion Arranged by the British National Committee on Space Research Under the Leadership of Harrie Massey ...[et Al.]. Held on 4 and 5 November 1980. The Society, 1981.