Satchwell, J. (1981). Sumber masa depan. Franklin Watts.
Chicago Style (17th ed.) CitationSatchwell, John. Sumber Masa Depan. London: Franklin Watts, 1981.
MLA (9th ed.) CitationSatchwell, John. Sumber Masa Depan. Franklin Watts, 1981.
Warning: These citations may not always be 100% accurate.