APA (7 वां संस्करण) प्रशस्ति पत्र

Random Jottings. (2012). Philippine-Swiss relations historical and special. IN Open notebook [column]. The Sunday Times.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Random Jottings. "Philippine-Swiss Relations Historical and Special. IN Open Notebook [column]." The Sunday Times 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Random Jottings. "Philippine-Swiss Relations Historical and Special. IN Open Notebook [column]." The Sunday Times, 2012.