APA-viite (7. p.)
History of economic thought: Textbook.
Chicago-viite (17. p.)History of Economic Thought: Textbook.
MLA-viite (8. p.)History of Economic Thought: Textbook.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
History of economic thought: Textbook.
Chicago-viite (17. p.)History of Economic Thought: Textbook.
MLA-viite (8. p.)History of Economic Thought: Textbook.