APA-Zitierstil (7. Ausg.)

Lock, G. W. (1969). Sisal: Thirty years' sisal research in Tanzania (2. Ed.). Longmans.

Chicago-Zitierstil (17. Ausg.)

Lock, G. W. Sisal: Thirty Years' Sisal Research in Tanzania. 2. Ed. London [u.a.]: Longmans, 1969.

MLA-Zitierstil (9. Ausg.)

Lock, G. W. Sisal: Thirty Years' Sisal Research in Tanzania. 2. Ed. Longmans, 1969.