APA

Cesar Ruiz Aquino, . (2003). Checkmeta. Davao City: Midtown Printing Co.,Inc.

Chicago

Cesar Ruiz Aquino, . 2003. Checkmeta. Davao City: Midtown Printing Co.,Inc.

Harvard

Cesar Ruiz Aquino, . (2003). Checkmeta. Davao City: Midtown Printing Co.,Inc.

MLA

Cesar Ruiz Aquino, . Checkmeta. Davao City: Midtown Printing Co.,Inc. 2003.