Please refer to the link below to assist you in entering in your Foreign Income amounts as self-employed.
How do I report foreign income, pension, and other foreign amounts? -https://turbotax.community.intuit.ca/replies/2647976
Here is more from TurboTax Tips -
Canada’s Foreign Income Tax Credit - https://turbotax.intuit.ca/tips/canadas-foreign-income-tax-credit-6223T1135 Tax Form: Foreign Income Verification - https://turbotax.intuit.ca/tips/t1135-tax-form-foreign-income-verification-400