Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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