(1969). Switzerland's economy and main industries. Lausanne and Zurich: The Swiss Office for the Development of Trade.
শিকাগো স্টাইলে সাইটেশনSwitzerland's Economy and Main Industries. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
এমএলএ সাইটেশনSwitzerland's Economy and Main Industries. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.