APA-viite (7. p.)

Opetina, L. N. (2012). The novel way of learning grammar. Mindshapers Co.

Chicago-viite (17. p.)

Opetina, Leandro N. The Novel Way of Learning Grammar. Manila: Mindshapers Co, 2012.

MLA-viite (9. p.)

Opetina, Leandro N. The Novel Way of Learning Grammar. Mindshapers Co, 2012.