APA-viite (7. p.)

Oplas, B. (2011). Health choices and responsibilities. Central Book Supply.

Chicago-viite (17. p.)

Oplas, Bienvenido. Health Choices and Responsibilities. Quezon City: Central Book Supply, 2011.

MLA-viite (9. p.)

Oplas, Bienvenido. Health Choices and Responsibilities. Central Book Supply, 2011.

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