Staples, W. D. (2011). Sức mạnh để thành công =: Power to win. Hà Nội: Trẻ.
শিকাগো স্টাইলে সাইটেশনStaples, Walter Doyle. Sức Mạnh để Thành Công =: Power to Win. Hà Nội: Trẻ, 2011.
এমএলএ সাইটেশনStaples, Walter Doyle. Sức Mạnh để Thành Công =: Power to Win. Hà Nội: Trẻ, 2011.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.