APA
Boss H., . (1990). Theories of Surplus and Transfer. Parasites and Producers in Economic Thought. Boston: Unwin Hyman.
Chicago
Boss Helen, . 1990. Theories of Surplus and Transfer. Parasites and Producers in Economic Thought. Boston: Unwin Hyman.
Harvard
Boss H., . (1990). Theories of Surplus and Transfer. Parasites and Producers in Economic Thought. Boston: Unwin Hyman.
MLA
Boss Helen, . Theories of Surplus and Transfer. Parasites and Producers in Economic Thought. Boston: Unwin Hyman. 1990.